20412231100 has 36 divisors (see below), whose sum is σ = 44459263800. Its totient is φ = 8134528960.

The previous prime is 20412231097. The next prime is 20412231113. The reversal of 20412231100 is 113221402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 352510 + ... + 406309.

It is an arithmetic number, because the mean of its divisors is an integer number (1234979550).

Almost surely, 2^20412231100 is an apocalyptic number.

20412231100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20412231100 is an abundant number, since it is smaller than the sum of its proper divisors (24047032700).

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

20412231100 is a wasteful number, since it uses less digits than its factorization.

20412231100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 759102 (or 759095 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 20412231100 its reverse (113221402), we get a palindrome (20525452502).

The spelling of 20412231100 in words is "twenty billion, four hundred twelve million, two hundred thirty-one thousand, one hundred".