20011152 has 40 divisors (see below), whose sum is σ = 59081536. Its totient is φ = 5717376.

The previous prime is 20011139. The next prime is 20011153. The reversal of 20011152 is 25111002.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is not an unprimeable number, because it can be changed into a prime (20011153) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29443 + ... + 30114.

Almost surely, 2^20011152 is an apocalyptic number.

It is an amenable number.

20011152 is an abundant number, since it is smaller than the sum of its proper divisors (39070384).

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

20011152 is a wasteful number, since it uses less digits than its factorization.

20011152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59575 (or 59569 counting only the distinct ones).

The product of its (nonzero) digits is 20, while the sum is 12.

The square root of 20011152 is about 4473.3826127440. The cubic root of 20011152 is about 271.4922042605.

Adding to 20011152 its reverse (25111002), we get a palindrome (45122154).

The spelling of 20011152 in words is "twenty million, eleven thousand, one hundred fifty-two".