20794455 has 96 divisors (see below), whose sum is σ = 43411200. Its totient is φ = 9408960.

The previous prime is 20794447. The next prime is 20794469. The reversal of 20794455 is 55449702.

20794455 is a `hidden beast` number, since 207 + 9 + 445 + 5 = 666.

20794455 is nontrivially palindromic in base 7.

It is not a de Polignac number, because 20794455 - 2³ = 20794447 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 310332 + ... + 310398.

It is an arithmetic number, because the mean of its divisors is an integer number (452200).

Almost surely, 2^20794455 is an apocalyptic number.

20794455 is an abundant number, since it is smaller than the sum of its proper divisors (22616745).

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

20794455 is a wasteful number, since it uses less digits than its factorization.

20794455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122 (or 105 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 36.

The square root of 20794455 is about 4560.0937490363. The cubic root of 20794455 is about 274.9893329196.

The spelling of 20794455 in words is "twenty million, seven hundred ninety-four thousand, four hundred fifty-five".