20785052 has 12 divisors (see below), whose sum is σ = 36473976. Its totient is φ = 10363920.

The previous prime is 20785049. The next prime is 20785057. The reversal of 20785052 is 25058702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20785057) 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, 5474 + ... + 8457.

It is an arithmetic number, because the mean of its divisors is an integer number (3039498).

Almost surely, 2^20785052 is an apocalyptic number.

It is an amenable number.

20785052 is a deficient number, since it is larger than the sum of its proper divisors (15688924).

20785052 is a wasteful number, since it uses less digits than its factorization.

20785052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14308 (or 14306 counting only the distinct ones).

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

The square root of 20785052 is about 4559.0626229522. The cubic root of 20785052 is about 274.9478777249.

The spelling of 20785052 in words is "twenty million, seven hundred eighty-five thousand, fifty-two".