20313839704202 has 24 divisors (see below), whose sum is σ = 35462809135908. Its totient is φ = 8690412705920.

The previous prime is 20313839704187. The next prime is 20313839704217. The reversal of 20313839704202 is 20240793831302.

Added to its reverse (20240793831302) it gives a square (40554633535504 = 6368252²).

It is an interprime number because it is at equal distance from previous prime (20313839704187) and next prime (20313839704217).

It can be written as a sum of positive squares in 2 ways, for example, as 19040821689241 + 1273018014961 = 4363579^2 + 1128281^2 .

20313839704202 is a rare 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, 2468863133 + ... + 2468871360.

Almost surely, 2^{20313839704202} is an apocalyptic number.

20313839704202 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20313839704202 is a deficient number, since it is larger than the sum of its proper divisors (15148969431706).

20313839704202 is a wasteful number, since it uses less digits than its factorization.

20313839704202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4937734534 (or 4937734523 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 44.

Adding to 20313839704202 its reverse (20240793831302), we get a square (40554633535504 = 6368252²).

Subtracting from 20313839704202 its reverse (20240793831302), we obtain a square (73045872900 = 270270²).

The spelling of 20313839704202 in words is "twenty trillion, three hundred thirteen billion, eight hundred thirty-nine million, seven hundred four thousand, two hundred two".