202027572138942 has 48 divisors (see below), whose sum is σ = 477706906385280. Its totient is φ = 61196477634000.

The previous prime is 202027572138941. The next prime is 202027572138943. The reversal of 202027572138942 is 249831275720202.

202027572138942 is a `hidden beast` number, since 2 + 0 + 2 + 0 + 27 + 572 + 1 + 3 + 8 + 9 + 42 = 666.

It is an interprime number because it is at equal distance from previous prime (202027572138941) and next prime (202027572138943).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202027572138941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 199483392 + ... + 200493587.

It is an arithmetic number, because the mean of its divisors is an integer number (9952227216360).

Almost surely, 2^{202027572138942} is an apocalyptic number.

202027572138942 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

202027572138942 is an abundant number, since it is smaller than the sum of its proper divisors (275679334246338).

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

202027572138942 is a wasteful number, since it uses less digits than its factorization.

202027572138942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 399979549 (or 399979546 counting only the distinct ones).

The product of its (nonzero) digits is 6773760, while the sum is 54.

The spelling of 202027572138942 in words is "two hundred two trillion, twenty-seven billion, five hundred seventy-two million, one hundred thirty-eight thousand, nine hundred forty-two".