29228763820 has 12 divisors (see below), whose sum is σ = 61380404064. Its totient is φ = 11691505520.

The previous prime is 29228763797. The next prime is 29228763841. The reversal of 29228763820 is 2836782292.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 730719076 + ... + 730719115.

It is an arithmetic number, because the mean of its divisors is an integer number (5115033672).

Almost surely, 2^29228763820 is an apocalyptic number.

29228763820 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

29228763820 is an abundant number, since it is smaller than the sum of its proper divisors (32151640244).

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

29228763820 is a wasteful number, since it uses less digits than its factorization.

29228763820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1461438200 (or 1461438198 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 49.

The spelling of 29228763820 in words is "twenty-nine billion, two hundred twenty-eight million, seven hundred sixty-three thousand, eight hundred twenty".