2021042232 has 128 divisors (see below), whose sum is σ = 6138547200. Its totient is φ = 611020800.

The previous prime is 2021042197. The next prime is 2021042249. The reversal of 2021042232 is 2322401202.

2021042232 is a `hidden beast` number, since 2 + 0 + 210 + 422 + 32 = 666.

It is a super-2 number, since 2×2021042232² = 8169223407055083648, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1522353 + ... + 1523679.

It is an arithmetic number, because the mean of its divisors is an integer number (47957400).

Almost surely, 2^2021042232 is an apocalyptic number.

2021042232 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2021042232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3069273600).

2021042232 is an abundant number, since it is smaller than the sum of its proper divisors (4117504968).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2021042232 is a wasteful number, since it uses less digits than its factorization.

2021042232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1994 (or 1984 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 2021042232 is about 44956.0032921077. The cubic root of 2021042232 is about 1264.3242355071.

Adding to 2021042232 its reverse (2322401202), we get a palindrome (4343443434).

The spelling of 2021042232 in words is "two billion, twenty-one million, forty-two thousand, two hundred thirty-two".