20110400232 has 96 divisors (see below), whose sum is σ = 55321778400. Its totient is φ = 6055952256.

The previous prime is 20110400231. The next prime is 20110400237. The reversal of 20110400232 is 23200401102.

It is not an unprimeable number, because it can be changed into a prime (20110400231) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 674619 + ... + 703797.

It is an arithmetic number, because the mean of its divisors is an integer number (576268525).

Almost surely, 2^20110400232 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 20110400232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27660889200).

20110400232 is an abundant number, since it is smaller than the sum of its proper divisors (35211378168).

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

20110400232 is a wasteful number, since it uses less digits than its factorization.

20110400232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29295 (or 29244 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 20110400232 its reverse (23200401102), we get a palindrome (43310801334).

The spelling of 20110400232 in words is "twenty billion, one hundred ten million, four hundred thousand, two hundred thirty-two".