29313020 has 24 divisors (see below), whose sum is σ = 67153968. Its totient is φ = 10659200.

The previous prime is 29313013. The next prime is 29313041. The reversal of 29313020 is 2031392.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 29312983 and 29313001.

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, 66401 + ... + 66840.

It is an arithmetic number, because the mean of its divisors is an integer number (2798082).

Almost surely, 2^29313020 is an apocalyptic number.

29313020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

29313020 is an abundant number, since it is smaller than the sum of its proper divisors (37840948).

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

29313020 is a wasteful number, since it uses less digits than its factorization.

29313020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133261 (or 133259 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 20.

The square root of 29313020 is about 5414.1499794520. The cubic root of 29313020 is about 308.3331275057. Note that the first 3 decimals are identical.

The spelling of 29313020 in words is "twenty-nine million, three hundred thirteen thousand, twenty".