20726712 has 32 divisors (see below), whose sum is σ = 57574800. Its totient is φ = 6908832.

The previous prime is 20726711. The next prime is 20726737. The reversal of 20726712 is 21762702.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20726711) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47763 + ... + 48194.

Almost surely, 2^20726712 is an apocalyptic number.

It is an amenable number.

20726712 is an abundant number, since it is smaller than the sum of its proper divisors (36848088).

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

20726712 is a wasteful number, since it uses less digits than its factorization.

20726712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95972 (or 95962 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 27.

The square root of 20726712 is about 4552.6598818713. The cubic root of 20726712 is about 274.6903931599.

The spelling of 20726712 in words is "twenty million, seven hundred twenty-six thousand, seven hundred twelve".