20262378 has 16 divisors (see below), whose sum is σ = 40704480. Its totient is φ = 6724176.

The previous prime is 20262343. The next prime is 20262383. The reversal of 20262378 is 87326202.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6000 + ... + 8747.

It is an arithmetic number, because the mean of its divisors is an integer number (2544030).

Almost surely, 2^20262378 is an apocalyptic number.

20262378 is an abundant number, since it is smaller than the sum of its proper divisors (20442102).

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

20262378 is a wasteful number, since it uses less digits than its factorization.

20262378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14981.

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 20262378 is about 4501.3751232262. The cubic root of 20262378 is about 272.6236142023.

The spelling of 20262378 in words is "twenty million, two hundred sixty-two thousand, three hundred seventy-eight".