29080920 has 64 divisors (see below), whose sum is σ = 95178240. Its totient is φ = 7049600.

The previous prime is 29080913. The next prime is 29080951. The reversal of 29080920 is 2908092.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9696 + ... + 12335.

It is an arithmetic number, because the mean of its divisors is an integer number (1487160).

Almost surely, 2^29080920 is an apocalyptic number.

29080920 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

29080920 is an abundant number, since it is smaller than the sum of its proper divisors (66097320).

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

29080920 is a wasteful number, since it uses less digits than its factorization.

29080920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22056 (or 22052 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 30.

The square root of 29080920 is about 5392.6728066887. The cubic root of 29080920 is about 307.5171779683.

The spelling of 29080920 in words is "twenty-nine million, eighty thousand, nine hundred twenty".