20220854 has 16 divisors (see below), whose sum is σ = 32559408. Its totient is φ = 9384192.

The previous prime is 20220839. The next prime is 20220869. The reversal of 20220854 is 45802202.

It is an interprime number because it is at equal distance from previous prime (20220839) and next prime (20220869).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1592 + ... + 6555.

It is an arithmetic number, because the mean of its divisors is an integer number (2034963).

Almost surely, 2^20220854 is an apocalyptic number.

20220854 is a deficient number, since it is larger than the sum of its proper divisors (12338554).

20220854 is a wasteful number, since it uses less digits than its factorization.

20220854 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8239.

The product of its (nonzero) digits is 1280, while the sum is 23.

The square root of 20220854 is about 4496.7603894359. The cubic root of 20220854 is about 272.4372562666.

The spelling of 20220854 in words is "twenty million, two hundred twenty thousand, eight hundred fifty-four".