30352920 has 64 divisors (see below), whose sum is σ = 98068320. Its totient is φ = 7471104.

The previous prime is 30352909. The next prime is 30352951. The reversal of 30352920 is 2925303.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8169 + ... + 11288.

Almost surely, 2^30352920 is an apocalyptic number.

30352920 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30352920 is an abundant number, since it is smaller than the sum of its proper divisors (67715400).

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

30352920 is a wasteful number, since it uses less digits than its factorization.

30352920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19484 (or 19480 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 24.

The square root of 30352920 is about 5509.3484188241. The cubic root of 30352920 is about 311.9369530727.

The spelling of 30352920 in words is "thirty million, three hundred fifty-two thousand, nine hundred twenty".