20110056252 has 144 divisors (see below), whose sum is σ = 57337921536. Its totient is φ = 5443574400.

The previous prime is 20110056251. The next prime is 20110056269. The reversal of 20110056252 is 25265001102.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20110056251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 567973 + ... + 602339.

Almost surely, 2^20110056252 is an apocalyptic number.

20110056252 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 20110056252, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28668960768).

20110056252 is an abundant number, since it is smaller than the sum of its proper divisors (37227865284).

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

20110056252 is a wasteful number, since it uses less digits than its factorization.

20110056252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34440 (or 34427 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 24.

Adding to 20110056252 its reverse (25265001102), we get a palindrome (45375057354).

The spelling of 20110056252 in words is "twenty billion, one hundred ten million, fifty-six thousand, two hundred fifty-two".