20313032402 has 24 divisors (see below), whose sum is σ = 33016572324. Its totient is φ = 9368733504.

The previous prime is 20313032401. The next prime is 20313032407. The reversal of 20313032402 is 20423031302.

It can be written as a sum of positive squares in 6 ways, for example, as 10604674441 + 9708357961 = 102979^2 + 98531^2 .

It is a super-4 number, since 4×20313032402⁴ (a number of 42 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (20313032401) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 484508 + ... + 524760.

Almost surely, 2^20313032402 is an apocalyptic number.

20313032402 is a deficient number, since it is larger than the sum of its proper divisors (12703539922).

20313032402 is a wasteful number, since it uses less digits than its factorization.

20313032402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41774 (or 41761 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 20313032402 its reverse (20423031302), we get a palindrome (40736063704).

It can be divided in two parts, 203130 and 32402, that added together give a palindrome (235532).

The spelling of 20313032402 in words is "twenty billion, three hundred thirteen million, thirty-two thousand, four hundred two".