20003506774156 has 12 divisors (see below), whose sum is σ = 37065321375768. Its totient is φ = 9413414952512.

The previous prime is 20003506774127. The next prime is 20003506774219. The reversal of 20003506774156 is 65147760530002.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 147084608566 + ... + 147084608701.

It is an arithmetic number, because the mean of its divisors is an integer number (3088776781314).

Almost surely, 2^{20003506774156} is an apocalyptic number.

It is an amenable number.

20003506774156 is a deficient number, since it is larger than the sum of its proper divisors (17061814601612).

20003506774156 is a wasteful number, since it uses less digits than its factorization.

20003506774156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 294169217288 (or 294169217286 counting only the distinct ones).

The product of its (nonzero) digits is 1058400, while the sum is 46.

The spelling of 20003506774156 in words is "twenty trillion, three billion, five hundred six million, seven hundred seventy-four thousand, one hundred fifty-six".