20220884 has 6 divisors (see below), whose sum is σ = 35386554. Its totient is φ = 10110440.

The previous prime is 20220877. The next prime is 20220901. The reversal of 20220884 is 48802202.

It can be written as a sum of positive squares in only one way, i.e., 19624900 + 595984 = 4430^2 + 772^2 .

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, 2527607 + ... + 2527614.

It is an arithmetic number, because the mean of its divisors is an integer number (5897759).

Almost surely, 2^20220884 is an apocalyptic number.

It is an amenable number.

20220884 is a deficient number, since it is larger than the sum of its proper divisors (15165670).

20220884 is a wasteful number, since it uses less digits than its factorization.

20220884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5055225 (or 5055223 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 26.

The square root of 20220884 is about 4496.7637251695. The cubic root of 20220884 is about 272.4373909973.

The spelling of 20220884 in words is "twenty million, two hundred twenty thousand, eight hundred eighty-four".