20431401300 has 54 divisors (see below), whose sum is σ = 64041095118. Its totient is φ = 5448373440.

The previous prime is 20431401269. The next prime is 20431401311. The reversal of 20431401300 is 310413402.

20431401300 is a `hidden beast` number, since 204 + 31 + 401 + 30 + 0 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 1483328196 + 18948073104 = 38514^2 + 137652^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 11349879 + ... + 11351678.

Almost surely, 2^20431401300 is an apocalyptic number.

20431401300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20431401300 is an abundant number, since it is smaller than the sum of its proper divisors (43609693818).

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

20431401300 is a wasteful number, since it uses less digits than its factorization.

20431401300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22701577 (or 22701567 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 20431401300 its reverse (310413402), we get a palindrome (20741814702).

The spelling of 20431401300 in words is "twenty billion, four hundred thirty-one million, four hundred one thousand, three hundred".