20797022 has 8 divisors (see below), whose sum is σ = 31376376. Its totient is φ = 10338232.

The previous prime is 20797013. The next prime is 20797033. The reversal of 20797022 is 22079702.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×20797022² = 865032248136968, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29708 + ... + 30399.

It is an arithmetic number, because the mean of its divisors is an integer number (3922047).

Almost surely, 2^20797022 is an apocalyptic number.

20797022 is a deficient number, since it is larger than the sum of its proper divisors (10579354).

20797022 is a wasteful number, since it uses less digits than its factorization.

20797022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60282.

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

The square root of 20797022 is about 4560.3752038621. The cubic root of 20797022 is about 275.0006479324. Note that the first 3 decimals are identical.

The spelling of 20797022 in words is "twenty million, seven hundred ninety-seven thousand, twenty-two".