20264854 has 4 divisors (see below), whose sum is σ = 30397284. Its totient is φ = 10132426.

The previous prime is 20264851. The next prime is 20264857. The reversal of 20264854 is 45846202.

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

It is an interprime number because it is at equal distance from previous prime (20264851) and next prime (20264857).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20264851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5066212 + ... + 5066215.

It is an arithmetic number, because the mean of its divisors is an integer number (7599321).

Almost surely, 2^20264854 is an apocalyptic number.

20264854 is a deficient number, since it is larger than the sum of its proper divisors (10132430).

20264854 is a wasteful number, since it uses less digits than its factorization.

20264854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10132429.

The product of its (nonzero) digits is 15360, while the sum is 31.

The square root of 20264854 is about 4501.6501418924. The cubic root of 20264854 is about 272.6347183378.

It can be divided in two parts, 202 and 64854, that added together give a palindrome (65056).

The spelling of 20264854 in words is "twenty million, two hundred sixty-four thousand, eight hundred fifty-four".