20772411 has 8 divisors (see below), whose sum is σ = 30214464. Its totient is φ = 12589320.

The previous prime is 20772403. The next prime is 20772443. The reversal of 20772411 is 11427702.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20772411 - 2³ = 20772403 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20772481) 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, 314701 + ... + 314766.

It is an arithmetic number, because the mean of its divisors is an integer number (3776808).

Almost surely, 2^20772411 is an apocalyptic number.

20772411 is a deficient number, since it is larger than the sum of its proper divisors (9442053).

20772411 is a wasteful number, since it uses less digits than its factorization.

20772411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 629481.

The product of its (nonzero) digits is 784, while the sum is 24.

The square root of 20772411 is about 4557.6760525513. The cubic root of 20772411 is about 274.8921273880.

The spelling of 20772411 in words is "twenty million, seven hundred seventy-two thousand, four hundred eleven".