20572894 has 8 divisors (see below), whose sum is σ = 30902688. Its totient is φ = 10272000.

The previous prime is 20572891. The next prime is 20572901. The reversal of 20572894 is 49827502.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20572891) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5347 + ... + 8350.

It is an arithmetic number, because the mean of its divisors is an integer number (3862836).

Almost surely, 2^20572894 is an apocalyptic number.

20572894 is a deficient number, since it is larger than the sum of its proper divisors (10329794).

20572894 is a wasteful number, since it uses less digits than its factorization.

20572894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14450.

The product of its (nonzero) digits is 40320, while the sum is 37.

The square root of 20572894 is about 4535.7352215490. The cubic root of 20572894 is about 274.0091903785.

The spelling of 20572894 in words is "twenty million, five hundred seventy-two thousand, eight hundred ninety-four".