497810020 has 24 divisors (see below), whose sum is σ = 1062541368. Its totient is φ = 195859200.

The previous prime is 497810009. The next prime is 497810077. The reversal of 497810020 is 20018794.

It can be written as a sum of positive squares in 4 ways, for example, as 21086464 + 476723556 = 4592^2 + 21834^2 .

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 202801 + ... + 205240.

It is an arithmetic number, because the mean of its divisors is an integer number (44272557).

Almost surely, 2^497810020 is an apocalyptic number.

It is an amenable number.

497810020 is an abundant number, since it is smaller than the sum of its proper divisors (564731348).

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

497810020 is a wasteful number, since it uses less digits than its factorization.

497810020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 408111 (or 408109 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 31.

The square root of 497810020 is about 22311.6565947040. The cubic root of 497810020 is about 792.5400378489.

The spelling of 497810020 in words is "four hundred ninety-seven million, eight hundred ten thousand, twenty".