20772394 has 8 divisors (see below), whose sum is σ = 31350240. Its totient is φ = 10322316.

The previous prime is 20772383. The next prime is 20772403. The reversal of 20772394 is 49327702.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31534 + ... + 32185.

It is an arithmetic number, because the mean of its divisors is an integer number (3918780).

Almost surely, 2^20772394 is an apocalyptic number.

20772394 is a deficient number, since it is larger than the sum of its proper divisors (10577846).

20772394 is a wasteful number, since it uses less digits than its factorization.

20772394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63884.

The product of its (nonzero) digits is 21168, while the sum is 34.

The square root of 20772394 is about 4557.6741875654. The cubic root of 20772394 is about 274.8920523980.

The spelling of 20772394 in words is "twenty million, seven hundred seventy-two thousand, three hundred ninety-four".