20572058 has 8 divisors (see below), whose sum is σ = 33231828. Its totient is φ = 9494784.

The previous prime is 20572043. The next prime is 20572073. The reversal of 20572058 is 85027502.

It is an interprime number because it is at equal distance from previous prime (20572043) and next prime (20572073).

It can be written as a sum of positive squares in 2 ways, for example, as 20043529 + 528529 = 4477^2 + 727^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 20572058.

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, 395591 + ... + 395642.

Almost surely, 2^20572058 is an apocalyptic number.

20572058 is a deficient number, since it is larger than the sum of its proper divisors (12659770).

20572058 is a wasteful number, since it uses less digits than its factorization.

20572058 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 791248.

The product of its (nonzero) digits is 5600, while the sum is 29.

The square root of 20572058 is about 4535.6430635578. The cubic root of 20572058 is about 274.0054787829.

The spelling of 20572058 in words is "twenty million, five hundred seventy-two thousand, fifty-eight".