20220279506 has 16 divisors (see below), whose sum is σ = 34870905216. Its totient is φ = 8613941856.

The previous prime is 20220279491. The next prime is 20220279559. The reversal of 20220279506 is 60597202202.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4321931 + ... + 4326606.

It is an arithmetic number, because the mean of its divisors is an integer number (2179431576).

Almost surely, 2^20220279506 is an apocalyptic number.

20220279506 is a deficient number, since it is larger than the sum of its proper divisors (14650625710).

20220279506 is a wasteful number, since it uses less digits than its factorization.

20220279506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8648713.

The product of its (nonzero) digits is 30240, while the sum is 35.

The spelling of 20220279506 in words is "twenty billion, two hundred twenty million, two hundred seventy-nine thousand, five hundred six".