20792697 has 8 divisors (see below), whose sum is σ = 27884544. Its totient is φ = 13781328.

The previous prime is 20792689. The next prime is 20792711. The reversal of 20792697 is 79629702.

20792697 is nontrivially palindromic in base 2.

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

It is not a de Polignac number, because 20792697 - 2³ = 20792689 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20792647) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19513 + ... + 20550.

It is an arithmetic number, because the mean of its divisors is an integer number (3485568).

Almost surely, 2^20792697 is an apocalyptic number.

It is an amenable number.

20792697 is a deficient number, since it is larger than the sum of its proper divisors (7091847).

20792697 is a wasteful number, since it uses less digits than its factorization.

20792697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40239.

The product of its (nonzero) digits is 95256, while the sum is 42.

The square root of 20792697 is about 4559.9009857671. The cubic root of 20792697 is about 274.9815833397.

The spelling of 20792697 in words is "twenty million, seven hundred ninety-two thousand, six hundred ninety-seven".