501200820396 has 48 divisors (see below), whose sum is σ = 1301436874080. Its totient is φ = 166806282240.

The previous prime is 501200820319. The next prime is 501200820443. The reversal of 501200820396 is 693028002105.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 501200820396.

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, 3550701 + ... + 3689156.

It is an arithmetic number, because the mean of its divisors is an integer number (27113268210).

Almost surely, 2^501200820396 is an apocalyptic number.

It is an amenable number.

501200820396 is an abundant number, since it is smaller than the sum of its proper divisors (800236053684).

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

501200820396 is a wasteful number, since it uses less digits than its factorization.

501200820396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7240511 (or 7240503 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The spelling of 501200820396 in words is "five hundred one billion, two hundred million, eight hundred twenty thousand, three hundred ninety-six".