507402020 has 48 divisors (see below), whose sum is σ = 1078004928. Its totient is φ = 200603520.

The previous prime is 507402001. The next prime is 507402023. The reversal of 507402020 is 20204705.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 507401983 and 507402001.

It is not an unprimeable number, because it can be changed into a prime (507402023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 888335 + ... + 888905.

It is an arithmetic number, because the mean of its divisors is an integer number (22458436).

Almost surely, 2^507402020 is an apocalyptic number.

It is an amenable number.

507402020 is an abundant number, since it is smaller than the sum of its proper divisors (570602908).

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

507402020 is a wasteful number, since it uses less digits than its factorization.

507402020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1020 (or 1018 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 20.

The square root of 507402020 is about 22525.5858969306. The cubic root of 507402020 is about 797.5980140472.

Adding to 507402020 its reverse (20204705), we get a palindrome (527606725).

The spelling of 507402020 in words is "five hundred seven million, four hundred two thousand, twenty".