20560378 has 16 divisors (see below), whose sum is σ = 33709824. Its totient is φ = 9362880.

The previous prime is 20560373. The next prime is 20560381. The reversal of 20560378 is 87306502.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is not an unprimeable number, because it can be changed into a prime (20560373) 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, 8700 + ... + 10807.

It is an arithmetic number, because the mean of its divisors is an integer number (2106864).

Almost surely, 2^20560378 is an apocalyptic number.

20560378 is a deficient number, since it is larger than the sum of its proper divisors (13149446).

20560378 is a wasteful number, since it uses less digits than its factorization.

20560378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19557.

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 20560378 is about 4534.3553014734. The cubic root of 20560378 is about 273.9536124785.

The spelling of 20560378 in words is "twenty million, five hundred sixty thousand, three hundred seventy-eight".