20412494015427 has 12 divisors (see below), whose sum is σ = 29488654954824. Its totient is φ = 13606510246560.

The previous prime is 20412494015399. The next prime is 20412494015477. The reversal of 20412494015427 is 72451049421402.

20412494015427 is a `hidden beast` number, since 2 + 0 + 4 + 1 + 2 + 494 + 0 + 154 + 2 + 7 = 666.

It is not a de Polignac number, because 20412494015427 - 2²⁶ = 20412426906563 is a prime.

It is a super-2 number, since 2×20412494015427² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20412494015477) 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, 151520353 + ... + 151655010.

It is an arithmetic number, because the mean of its divisors is an integer number (2457387912902).

Almost surely, 2^{20412494015427} is an apocalyptic number.

20412494015427 is a deficient number, since it is larger than the sum of its proper divisors (9076160939397).

20412494015427 is a wasteful number, since it uses less digits than its factorization.

20412494015427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303182850 (or 303182847 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 45.

The spelling of 20412494015427 in words is "twenty trillion, four hundred twelve billion, four hundred ninety-four million, fifteen thousand, four hundred twenty-seven".