30204120 has 32 divisors (see below), whose sum is σ = 90612720. Its totient is φ = 8054400.

The previous prime is 30204107. The next prime is 30204133. The reversal of 30204120 is 2140203.

It is an interprime number because it is at equal distance from previous prime (30204107) and next prime (30204133).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 30204096 and 30204105.

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, 125731 + ... + 125970.

Almost surely, 2^30204120 is an apocalyptic number.

30204120 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30204120 is an abundant number, since it is smaller than the sum of its proper divisors (60408600).

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

30204120 is a wasteful number, since it uses less digits than its factorization.

30204120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251715 (or 251711 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 30204120 is about 5495.8275082102. The cubic root of 30204120 is about 311.4263786363.

Adding to 30204120 its reverse (2140203), we get a palindrome (32344323).

It can be divided in two parts, 3020 and 4120, that added together give a triangular number (7140 = T₁₁₉).

The spelling of 30204120 in words is "thirty million, two hundred four thousand, one hundred twenty".