30465020 has 24 divisors (see below), whose sum is σ = 67740624. Its totient is φ = 11469056.

The previous prime is 30465011. The next prime is 30465049. The reversal of 30465020 is 2056403.

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 = 30464983 and 30465001.

It is a congruent number.

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, 44462 + ... + 45141.

It is an arithmetic number, because the mean of its divisors is an integer number (2822526).

Almost surely, 2^30465020 is an apocalyptic number.

It is an amenable number.

30465020 is an abundant number, since it is smaller than the sum of its proper divisors (37275604).

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

30465020 is a wasteful number, since it uses less digits than its factorization.

30465020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89629 (or 89627 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 30465020 is about 5519.5126596467. The cubic root of 30465020 is about 312.3204985132.

30465020 divided by its sum of digits (20) gives a palindrome (1523251).

The spelling of 30465020 in words is "thirty million, four hundred sixty-five thousand, twenty".