20085374 has 4 divisors (see below), whose sum is σ = 30128064. Its totient is φ = 10042686.

The previous prime is 20085353. The next prime is 20085383. The reversal of 20085374 is 47358002.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5021342 + ... + 5021345.

It is an arithmetic number, because the mean of its divisors is an integer number (7532016).

Almost surely, 2^20085374 is an apocalyptic number.

20085374 is a deficient number, since it is larger than the sum of its proper divisors (10042690).

20085374 is a wasteful number, since it uses less digits than its factorization.

20085374 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10042689.

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 20085374 is about 4481.6708937627. The cubic root of 20085374 is about 271.8274478687.

The spelling of 20085374 in words is "twenty million, eighty-five thousand, three hundred seventy-four".