920506420 has 48 divisors (see below), whose sum is σ = 1962696960. Its totient is φ = 362583936.

The previous prime is 920506399. The next prime is 920506427. The reversal of 920506420 is 24605029.

It is a super-2 number, since 2×920506420² = 1694664138522432800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (920506427) 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, 1078714 + ... + 1079566.

It is an arithmetic number, because the mean of its divisors is an integer number (40889520).

Almost surely, 2^920506420 is an apocalyptic number.

It is an amenable number.

920506420 is an abundant number, since it is smaller than the sum of its proper divisors (1042190540).

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

920506420 is a wasteful number, since it uses less digits than its factorization.

920506420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1624 (or 1622 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 920506420 is about 30339.8487141910. The cubic root of 920506420 is about 972.7672494389.

The spelling of 920506420 in words is "nine hundred twenty million, five hundred six thousand, four hundred twenty".