20360772 has 36 divisors (see below), whose sum is σ = 51682176. Its totient is φ = 6758640.

The previous prime is 20360719. The next prime is 20360777. The reversal of 20360772 is 27706302.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×20360772² = 829122072871968, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20360777) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8713 + ... + 10799.

It is an arithmetic number, because the mean of its divisors is an integer number (1435616).

Almost surely, 2^20360772 is an apocalyptic number.

It is an amenable number.

20360772 is an abundant number, since it is smaller than the sum of its proper divisors (31321404).

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

20360772 is a wasteful number, since it uses less digits than its factorization.

20360772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2368 (or 2363 counting only the distinct ones).

The product of its (nonzero) digits is 3528, while the sum is 27.

The square root of 20360772 is about 4512.2912140065. The cubic root of 20360772 is about 273.0641881029.

The spelling of 20360772 in words is "twenty million, three hundred sixty thousand, seven hundred seventy-two".