20797004 has 24 divisors (see below), whose sum is σ = 37521456. Its totient is φ = 10080000.

The previous prime is 20796959. The next prime is 20797013. The reversal of 20797004 is 40079702.

It is an unprimeable number.

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, 34304 + ... + 34904.

It is an arithmetic number, because the mean of its divisors is an integer number (1563394).

Almost surely, 2^20797004 is an apocalyptic number.

It is an amenable number.

20797004 is a deficient number, since it is larger than the sum of its proper divisors (16724452).

20797004 is a wasteful number, since it uses less digits than its factorization.

20797004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 857 (or 855 counting only the distinct ones).

The product of its (nonzero) digits is 3528, while the sum is 29.

The square root of 20797004 is about 4560.3732303398. The cubic root of 20797004 is about 275.0005685939. Note that the first 3 decimals are identical.

The spelling of 20797004 in words is "twenty million, seven hundred ninety-seven thousand, four".