20313202342434 has 64 divisors (see below), whose sum is σ = 41513728435200. Its totient is φ = 6624341811648.

The previous prime is 20313202342313. The next prime is 20313202342523. The reversal of 20313202342434 is 43424320231302.

It is a super-2 number, since 2×20313202342434² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20313202342395 and 20313202342404.

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, 82147209 + ... + 82394115.

It is an arithmetic number, because the mean of its divisors is an integer number (648652006800).

Almost surely, 2^{20313202342434} is an apocalyptic number.

20313202342434 is an abundant number, since it is smaller than the sum of its proper divisors (21200526092766).

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

20313202342434 is a wasteful number, since it uses less digits than its factorization.

20313202342434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248087.

The product of its (nonzero) digits is 82944, while the sum is 33.

Adding to 20313202342434 its reverse (43424320231302), we get a palindrome (63737522573736).

The spelling of 20313202342434 in words is "twenty trillion, three hundred thirteen billion, two hundred two million, three hundred forty-two thousand, four hundred thirty-four".