20922182 has 4 divisors (see below), whose sum is σ = 31383276. Its totient is φ = 10461090.

The previous prime is 20922169. The next prime is 20922193. The reversal of 20922182 is 28122902.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 28122902 = 2 ⋅14061451.

It is a super-2 number, since 2×20922182² = 875475399282248, which contains 22 as substring.

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, 5230544 + ... + 5230547.

It is an arithmetic number, because the mean of its divisors is an integer number (7845819).

Almost surely, 2^20922182 is an apocalyptic number.

20922182 is a deficient number, since it is larger than the sum of its proper divisors (10461094).

20922182 is a wasteful number, since it uses less digits than its factorization.

20922182 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10461093.

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 20922182 is about 4574.0771746878. The cubic root of 20922182 is about 275.5512117648.

The spelling of 20922182 in words is "twenty million, nine hundred twenty-two thousand, one hundred eighty-two".