20357046 has 12 divisors (see below), whose sum is σ = 44106972. Its totient is φ = 6785676.

The previous prime is 20357027. The next prime is 20357081. The reversal of 20357046 is 64075302.

It is a happy number.

It is a super-2 number, since 2×20357046² = 828818643692232, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 565456 + ... + 565491.

It is an arithmetic number, because the mean of its divisors is an integer number (3675581).

Almost surely, 2^20357046 is an apocalyptic number.

20357046 is an abundant number, since it is smaller than the sum of its proper divisors (23749926).

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

20357046 is a wasteful number, since it uses less digits than its factorization.

20357046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1130955 (or 1130952 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The square root of 20357046 is about 4511.8783228274. The cubic root of 20357046 is about 273.0475302664.

The spelling of 20357046 in words is "twenty million, three hundred fifty-seven thousand, forty-six".