20313121243626 has 64 divisors (see below), whose sum is σ = 45887973292800. Its totient is φ = 6659351193600.

The previous prime is 20313121243609. The next prime is 20313121243729. The reversal of 20313121243626 is 62634212131302.

20313121243626 is a `hidden beast` number, since 2 + 0 + 3 + 1 + 3 + 1 + 2 + 1 + 24 + 3 + 626 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4908855 + ... + 8045066.

It is an arithmetic number, because the mean of its divisors is an integer number (716999582700).

Almost surely, 2^{20313121243626} is an apocalyptic number.

20313121243626 is an abundant number, since it is smaller than the sum of its proper divisors (25574852049174).

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

20313121243626 is a wasteful number, since it uses less digits than its factorization.

20313121243626 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12954412 (or 12954406 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 36.

Adding to 20313121243626 its reverse (62634212131302), we get a palindrome (82947333374928).

The spelling of 20313121243626 in words is "twenty trillion, three hundred thirteen billion, one hundred twenty-one million, two hundred forty-three thousand, six hundred twenty-six".