20132431002 has 48 divisors (see below), whose sum is σ = 43963665408. Its totient is φ = 6658168320.

The previous prime is 20132430977. The next prime is 20132431013. The reversal of 20132431002 is 20013423102.

20132431002 is a `hidden beast` number, since 201 + 32 + 431 + 0 + 0 + 2 = 666.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1322977 + ... + 1338107.

It is an arithmetic number, because the mean of its divisors is an integer number (915909696).

Almost surely, 2^20132431002 is an apocalyptic number.

20132431002 is an abundant number, since it is smaller than the sum of its proper divisors (23831234406).

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

20132431002 is a wasteful number, since it uses less digits than its factorization.

20132431002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15715 (or 15712 counting only the distinct ones).

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

Adding to 20132431002 its reverse (20013423102), we get a palindrome (40145854104).

The spelling of 20132431002 in words is "twenty billion, one hundred thirty-two million, four hundred thirty-one thousand, two".