30248820720 has 60 divisors (see below), whose sum is σ = 101585625336. Its totient is φ = 8066352000.

The previous prime is 30248820703. The next prime is 30248820809. The reversal of 30248820720 is 2702884203.

It is a tau number, because it is divible by the number of its divisors (60).

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21005406 + ... + 21006845.

Almost surely, 2^30248820720 is an apocalyptic number.

30248820720 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30248820720 is an abundant number, since it is smaller than the sum of its proper divisors (71336804616).

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

30248820720 is a wasteful number, since it uses less digits than its factorization.

30248820720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42012270 (or 42012261 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 36.

The spelling of 30248820720 in words is "thirty billion, two hundred forty-eight million, eight hundred twenty thousand, seven hundred twenty".