20574034742148 has 96 divisors (see below), whose sum is σ = 50112044623872. Its totient is φ = 6564395779200.

The previous prime is 20574034742137. The next prime is 20574034742171. The reversal of 20574034742148 is 84124743047502.

It is a super-2 number, since 2×20574034742148² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20574034742148.

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, 7324015 + ... + 9735977.

It is an arithmetic number, because the mean of its divisors is an integer number (522000464832).

Almost surely, 2^{20574034742148} is an apocalyptic number.

It is an amenable number.

20574034742148 is an abundant number, since it is smaller than the sum of its proper divisors (29538009881724).

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

20574034742148 is a wasteful number, since it uses less digits than its factorization.

20574034742148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2412345 (or 2412343 counting only the distinct ones).

The product of its (nonzero) digits is 6021120, while the sum is 51.

The spelling of 20574034742148 in words is "twenty trillion, five hundred seventy-four billion, thirty-four million, seven hundred forty-two thousand, one hundred forty-eight".