20252052 has 96 divisors (see below), whose sum is σ = 56770560. Its totient is φ = 6225120.

The previous prime is 20252051. The next prime is 20252053. The reversal of 20252052 is 25025202.

It is an interprime number because it is at equal distance from previous prime (20252051) and next prime (20252053).

It is a super-2 number, since 2×20252052² = 820291220421408, 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 not an unprimeable number, because it can be changed into a prime (20252051) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 76873 + ... + 77135.

It is an arithmetic number, because the mean of its divisors is an integer number (591360).

Almost surely, 2^20252052 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20252052, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28385280).

20252052 is an abundant number, since it is smaller than the sum of its proper divisors (36518508).

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

20252052 is a wasteful number, since it uses less digits than its factorization.

20252052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 330 (or 322 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 18.

The square root of 20252052 is about 4500.2279942243. The cubic root of 20252052 is about 272.5772953582.

Adding to 20252052 its reverse (25025202), we get a palindrome (45277254).

The spelling of 20252052 in words is "twenty million, two hundred fifty-two thousand, fifty-two".