20022201670 has 16 divisors (see below), whose sum is σ = 36719963280. Its totient is φ = 7857769504.

The previous prime is 20022201649. The next prime is 20022201701. The reversal of 20022201670 is 7610222002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18888340 + ... + 18889399.

It is an arithmetic number, because the mean of its divisors is an integer number (2294997705).

Almost surely, 2^20022201670 is an apocalyptic number.

20022201670 is a deficient number, since it is larger than the sum of its proper divisors (16697761610).

20022201670 is a wasteful number, since it uses less digits than its factorization.

20022201670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37777799.

The product of its (nonzero) digits is 672, while the sum is 22.

Adding to 20022201670 its reverse (7610222002), we get a palindrome (27632423672).

The spelling of 20022201670 in words is "twenty billion, twenty-two million, two hundred one thousand, six hundred seventy".