20426121426315 has 32 divisors (see below), whose sum is σ = 35656911763200. Its totient is φ = 9902450337920.

The previous prime is 20426121426311. The next prime is 20426121426323. The reversal of 20426121426315 is 51362412162402.

It is not a de Polignac number, because 20426121426315 - 2² = 20426121426311 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20426121426311) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5563500 + ... + 8473769.

It is an arithmetic number, because the mean of its divisors is an integer number (1114278492600).

Almost surely, 2^{20426121426315} is an apocalyptic number.

20426121426315 is a deficient number, since it is larger than the sum of its proper divisors (15230790336885).

20426121426315 is a wasteful number, since it uses less digits than its factorization.

20426121426315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14046107.

The product of its (nonzero) digits is 138240, while the sum is 39.

Adding to 20426121426315 its reverse (51362412162402), we get a palindrome (71788533588717).

The spelling of 20426121426315 in words is "twenty trillion, four hundred twenty-six billion, one hundred twenty-one million, four hundred twenty-six thousand, three hundred fifteen".