20057277305142 has 48 divisors (see below), whose sum is σ = 54180697139712. Its totient is φ = 5209682416560.

The previous prime is 20057277305141. The next prime is 20057277305147. The reversal of 20057277305142 is 24150377275002.

20057277305142 is a `hidden beast` number, since 2 + 0 + 0 + 572 + 7 + 7 + 30 + 5 + 1 + 42 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20057277305141) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7235668638 + ... + 7235671409.

It is an arithmetic number, because the mean of its divisors is an integer number (1128764523744).

Almost surely, 2^{20057277305142} is an apocalyptic number.

20057277305142 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20057277305142 is an abundant number, since it is smaller than the sum of its proper divisors (34123419834570).

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

20057277305142 is a wasteful number, since it uses less digits than its factorization.

20057277305142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14471340073 (or 14471340070 counting only the distinct ones).

The product of its (nonzero) digits is 823200, while the sum is 45.

The spelling of 20057277305142 in words is "twenty trillion, fifty-seven billion, two hundred seventy-seven million, three hundred five thousand, one hundred forty-two".