30196529820 has 72 divisors (see below), whose sum is σ = 96984158544. Its totient is φ = 7578736128.

The previous prime is 30196529809. The next prime is 30196529887. The reversal of 30196529820 is 2892569103.

30196529820 is a `hidden beast` number, since 30 + 1 + 96 + 529 + 8 + 2 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4931014 + ... + 4937133.

It is an arithmetic number, because the mean of its divisors is an integer number (1347002202).

Almost surely, 2^30196529820 is an apocalyptic number.

30196529820 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30196529820 is an abundant number, since it is smaller than the sum of its proper divisors (66787628724).

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

30196529820 is a wasteful number, since it uses less digits than its factorization.

30196529820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9868179 (or 9868174 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 45.

The spelling of 30196529820 in words is "thirty billion, one hundred ninety-six million, five hundred twenty-nine thousand, eight hundred twenty".