29790020 has 24 divisors (see below), whose sum is σ = 67371864. Its totient is φ = 10999296.

The previous prime is 29790011. The next prime is 29790071. The reversal of 29790020 is 2009792.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 4468996 + 25321024 = 2114^2 + 5032^2 .

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, 57029 + ... + 57548.

It is an arithmetic number, because the mean of its divisors is an integer number (2807161).

Almost surely, 2^29790020 is an apocalyptic number.

29790020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

29790020 is an abundant number, since it is smaller than the sum of its proper divisors (37581844).

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

29790020 is a wasteful number, since it uses less digits than its factorization.

29790020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114599 (or 114597 counting only the distinct ones).

The product of its (nonzero) digits is 2268, while the sum is 29.

The square root of 29790020 is about 5458.0234517635. The cubic root of 29790020 is about 309.9966007258.

The spelling of 29790020 in words is "twenty-nine million, seven hundred ninety thousand, twenty".