220122009878 has 8 divisors (see below), whose sum is σ = 330312556800. Its totient is φ = 110017824280.

The previous prime is 220122009859. The next prime is 220122009889. The reversal of 220122009878 is 878900221022.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21583958 + ... + 21594153.

It is an arithmetic number, because the mean of its divisors is an integer number (41289069600).

Almost surely, 2^220122009878 is an apocalyptic number.

220122009878 is a deficient number, since it is larger than the sum of its proper divisors (110190546922).

220122009878 is a wasteful number, since it uses less digits than its factorization.

220122009878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43180662.

The product of its (nonzero) digits is 64512, while the sum is 41.

The spelling of 220122009878 in words is "two hundred twenty billion, one hundred twenty-two million, nine thousand, eight hundred seventy-eight".