20764050 has 24 divisors (see below), whose sum is σ = 51495216. Its totient is φ = 5537040.

The previous prime is 20764049. The next prime is 20764057. The reversal of 20764050 is 5046702.

It is a happy number.

It is a super-2 number, since 2×20764050² = 862291544805000, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20764050.

It is not an unprimeable number, because it can be changed into a prime (20764057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 69064 + ... + 69363.

It is an arithmetic number, because the mean of its divisors is an integer number (2145634).

Almost surely, 2^20764050 is an apocalyptic number.

20764050 is an abundant number, since it is smaller than the sum of its proper divisors (30731166).

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

20764050 is a wasteful number, since it uses less digits than its factorization.

20764050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138442 (or 138437 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 20764050 is about 4556.7587164562. The cubic root of 20764050 is about 274.8552406168.

It can be divided in two parts, 207640 and 50, that added together give a triangular number (207690 = T₆₄₄).

The spelling of 20764050 in words is "twenty million, seven hundred sixty-four thousand, fifty".