20762812 has 24 divisors (see below), whose sum is σ = 41691104. Its totient is φ = 8862912.

The previous prime is 20762771. The next prime is 20762827. The reversal of 20762812 is 21826702.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 6418 + ... + 9094.

Almost surely, 2^20762812 is an apocalyptic number.

It is an amenable number.

20762812 is an abundant number, since it is smaller than the sum of its proper divisors (20928292).

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

20762812 is a wasteful number, since it uses less digits than its factorization.

20762812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2965 (or 2963 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 20762812 is about 4556.6228722597. The cubic root of 20762812 is about 274.8497780095.

The spelling of 20762812 in words is "twenty million, seven hundred sixty-two thousand, eight hundred twelve".