20220068 has 18 divisors (see below), whose sum is σ = 38895318. Its totient is φ = 9190720.

The previous prime is 20220049. The next prime is 20220073. The reversal of 20220068 is 86002202.

It can be written as a sum of positive squares in only one way, i.e., 16386304 + 3833764 = 4048^2 + 1958^2 .

It is a super-2 number, since 2×20220068² = 817702299849248, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 20405 + ... + 21372.

It is an arithmetic number, because the mean of its divisors is an integer number (2160851).

Almost surely, 2^20220068 is an apocalyptic number.

It is an amenable number.

20220068 is a deficient number, since it is larger than the sum of its proper divisors (18675250).

20220068 is a wasteful number, since it uses less digits than its factorization.

20220068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41803 (or 41790 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 20220068 is about 4496.6729923356. The cubic root of 20220068 is about 272.4337262729.

The spelling of 20220068 in words is "twenty million, two hundred twenty thousand, sixty-eight".