802102172052 has 24 divisors (see below), whose sum is σ = 1936108692000. Its totient is φ = 258147825376.

The previous prime is 802102172041. The next prime is 802102172057. The reversal of 802102172052 is 250271201208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (802102172057) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1152445302 + ... + 1152445997.

It is an arithmetic number, because the mean of its divisors is an integer number (80671195500).

Almost surely, 2^802102172052 is an apocalyptic number.

It is an amenable number.

802102172052 is an abundant number, since it is smaller than the sum of its proper divisors (1134006519948).

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

802102172052 is a wasteful number, since it uses less digits than its factorization.

802102172052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2304891335 (or 2304891333 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 30.

The spelling of 802102172052 in words is "eight hundred two billion, one hundred two million, one hundred seventy-two thousand, fifty-two".