29323947320 has 32 divisors (see below), whose sum is σ = 66324337920. Its totient is φ = 11668164480.

The previous prime is 29323947319. The next prime is 29323947347. The reversal of 29323947320 is 2374932392.

It is a super-2 number, since 2×29323947320² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1911467 + ... + 1926746.

It is an arithmetic number, because the mean of its divisors is an integer number (2072635560).

Almost surely, 2^29323947320 is an apocalyptic number.

29323947320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

29323947320 is an abundant number, since it is smaller than the sum of its proper divisors (37000390600).

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

29323947320 is a wasteful number, since it uses less digits than its factorization.

29323947320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3838415 (or 3838411 counting only the distinct ones).

The product of its (nonzero) digits is 489888, while the sum is 44.

The spelling of 29323947320 in words is "twenty-nine billion, three hundred twenty-three million, nine hundred forty-seven thousand, three hundred twenty".