20570048 has 28 divisors (see below), whose sum is σ = 42230040. Its totient is φ = 9929472.

The previous prime is 20570041. The next prime is 20570057. The reversal of 20570048 is 84007502.

It is a super-3 number, since 3×20570048³ (a number of 23 digits) contains 333 as substring.

It is a hoax number, since the sum of its digits (26) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 20569999 and 20570026.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20570041) 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, 3686 + ... + 7397.

Almost surely, 2^20570048 is an apocalyptic number.

It is an amenable number.

20570048 is an abundant number, since it is smaller than the sum of its proper divisors (21659992).

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

20570048 is a wasteful number, since it uses less digits than its factorization.

20570048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11124 (or 11114 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 26.

The square root of 20570048 is about 4535.4214798627. The cubic root of 20570048 is about 273.9965545591.

The spelling of 20570048 in words is "twenty million, five hundred seventy thousand, forty-eight".