20790088 has 32 divisors (see below), whose sum is σ = 43902720. Its totient is φ = 9144000.

The previous prime is 20790083. The next prime is 20790103. The reversal of 20790088 is 88009702.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (20790083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1083 + ... + 6538.

It is an arithmetic number, because the mean of its divisors is an integer number (1371960).

Almost surely, 2^20790088 is an apocalyptic number.

It is an amenable number.

20790088 is an abundant number, since it is smaller than the sum of its proper divisors (23112632).

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

20790088 is a wasteful number, since it uses less digits than its factorization.

20790088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7669 (or 7665 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 34.

The square root of 20790088 is about 4559.6148960192. The cubic root of 20790088 is about 274.9700815937.

The spelling of 20790088 in words is "twenty million, seven hundred ninety thousand, eighty-eight".