20113100032 has 36 divisors (see below), whose sum is σ = 40598776260. Its totient is φ = 9943543808.

The previous prime is 20113100023. The next prime is 20113100057. The reversal of 20113100032 is 23000131102.

It can be written as a sum of positive squares in 2 ways, for example, as 8914381056 + 11198718976 = 94416^2 + 105824^2 .

It is a junction number, because it is equal to n+sod(n) for n = 20113099985 and 20113100021.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 418603 + ... + 464170.

It is an arithmetic number, because the mean of its divisors is an integer number (1127743785).

Almost surely, 2^20113100032 is an apocalyptic number.

It is an amenable number.

20113100032 is an abundant number, since it is smaller than the sum of its proper divisors (20485676228).

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

20113100032 is an frugal number, since it uses more digits than its factorization.

20113100032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 882878 (or 882864 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 20113100032 its reverse (23000131102), we get a palindrome (43113231134).

The spelling of 20113100032 in words is "twenty billion, one hundred thirteen million, one hundred thousand, thirty-two".