502166503020 has 576 divisors, whose sum is σ = 1872335678976. Its totient is φ = 99330416640.

The previous prime is 502166503009. The next prime is 502166503133. The reversal of 502166503020 is 20305661205.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 183875055 + ... + 183877785.

It is an arithmetic number, because the mean of its divisors is an integer number (3250582776).

Almost surely, 2^502166503020 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 502166503020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (936167839488).

502166503020 is an abundant number, since it is smaller than the sum of its proper divisors (1370169175956).

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

502166503020 is a wasteful number, since it uses less digits than its factorization.

502166503020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3070 (or 3061 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 30.

The spelling of 502166503020 in words is "five hundred two billion, one hundred sixty-six million, five hundred three thousand, twenty".