20166850002 has 32 divisors (see below), whose sum is σ = 45722416320. Its totient is φ = 5878595520.

The previous prime is 20166849979. The next prime is 20166850013. The reversal of 20166850002 is 20005866102.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6802449 + ... + 6805412.

It is an arithmetic number, because the mean of its divisors is an integer number (1428825510).

Almost surely, 2^20166850002 is an apocalyptic number.

20166850002 is an abundant number, since it is smaller than the sum of its proper divisors (25555566318).

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

20166850002 is a wasteful number, since it uses less digits than its factorization.

20166850002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13607898.

The product of its (nonzero) digits is 5760, while the sum is 30.

The spelling of 20166850002 in words is "twenty billion, one hundred sixty-six million, eight hundred fifty thousand, two".