80102052 has 18 divisors (see below), whose sum is σ = 202480278. Its totient is φ = 26700672.

The previous prime is 80102041. The next prime is 80102101. The reversal of 80102052 is 25020108.

It can be written as a sum of positive squares in only one way, i.e., 79281216 + 820836 = 8904^2 + 906^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×80102052² = 12832677469221408, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1112493 + ... + 1112564.

Almost surely, 2^80102052 is an apocalyptic number.

It is an amenable number.

80102052 is an abundant number, since it is smaller than the sum of its proper divisors (122378226).

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

80102052 is a wasteful number, since it uses less digits than its factorization.

80102052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2225067 (or 2225062 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 80102052 is about 8949.9749720320. The cubic root of 80102052 is about 431.0700804607.

The spelling of 80102052 in words is "eighty million, one hundred two thousand, fifty-two".