20402703572274 has 128 divisors (see below), whose sum is σ = 45649099042560. Its totient is φ = 6754641062400.

The previous prime is 20402703572191. The next prime is 20402703572291. The reversal of 20402703572274 is 47227530720402.

20402703572274 is a `hidden beast` number, since 2 + 0 + 4 + 0 + 2 + 7 + 0 + 3 + 572 + 2 + 74 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 8093098134 + ... + 8093100654.

It is an arithmetic number, because the mean of its divisors is an integer number (356633586270).

Almost surely, 2^{20402703572274} is an apocalyptic number.

20402703572274 is an abundant number, since it is smaller than the sum of its proper divisors (25246395470286).

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

20402703572274 is a wasteful number, since it uses less digits than its factorization.

20402703572274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4393 (or 4387 counting only the distinct ones).

The product of its (nonzero) digits is 1317120, while the sum is 45.

The spelling of 20402703572274 in words is "twenty trillion, four hundred two billion, seven hundred three million, five hundred seventy-two thousand, two hundred seventy-four".