20375854 has 4 divisors (see below), whose sum is σ = 30563784. Its totient is φ = 10187926.

The previous prime is 20375819. The next prime is 20375857. The reversal of 20375854 is 45857302.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 45857302 = 2 ⋅22928651.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20375857) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5093962 + ... + 5093965.

It is an arithmetic number, because the mean of its divisors is an integer number (7640946).

Almost surely, 2^20375854 is an apocalyptic number.

20375854 is a deficient number, since it is larger than the sum of its proper divisors (10187930).

20375854 is a wasteful number, since it uses less digits than its factorization.

20375854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10187929.

The product of its (nonzero) digits is 33600, while the sum is 34.

The square root of 20375854 is about 4513.9621176966. The cubic root of 20375854 is about 273.1315944800.

The spelling of 20375854 in words is "twenty million, three hundred seventy-five thousand, eight hundred fifty-four".