20111232032 has 12 divisors (see below), whose sum is σ = 39593988126. Its totient is φ = 10055616000.

The previous prime is 20111232023. The next prime is 20111232041. The reversal of 20111232032 is 23023211102.

It is an interprime number because it is at equal distance from previous prime (20111232023) and next prime (20111232041).

It can be written as a sum of positive squares in only one way, i.e., 17328036496 + 2783195536 = 131636^2 + 52756^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 20111232032.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 314237969 + ... + 314238032.

Almost surely, 2^20111232032 is an apocalyptic number.

It is an amenable number.

20111232032 is a deficient number, since it is larger than the sum of its proper divisors (19482756094).

20111232032 is an equidigital number, since it uses as much as digits as its factorization.

20111232032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 628476011 (or 628476003 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 20111232032 its reverse (23023211102), we get a palindrome (43134443134).

The spelling of 20111232032 in words is "twenty billion, one hundred eleven million, two hundred thirty-two thousand, thirty-two".