29230907820 has 96 divisors (see below), whose sum is σ = 82316025792. Its totient is φ = 7750299648.

The previous prime is 29230907807. The next prime is 29230907887. The reversal of 29230907820 is 2870903292.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15279184 + ... + 15281096.

It is an arithmetic number, because the mean of its divisors is an integer number (857458602).

Almost surely, 2^29230907820 is an apocalyptic number.

29230907820 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

29230907820 is an abundant number, since it is smaller than the sum of its proper divisors (53085117972).

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

29230907820 is a wasteful number, since it uses less digits than its factorization.

29230907820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3251 (or 3249 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 42.

The spelling of 29230907820 in words is "twenty-nine billion, two hundred thirty million, nine hundred seven thousand, eight hundred twenty".