20164633222 has 8 divisors (see below), whose sum is σ = 30247644672. Its totient is φ = 10082085000.

The previous prime is 20164633201. The next prime is 20164633277. The reversal of 20164633222 is 22233646102.

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

It is a super-2 number, since 2×20164633222² (a number of 21 digits) contains 22 as substring.

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, 29472 + ... + 202972.

It is an arithmetic number, because the mean of its divisors is an integer number (3780955584).

Almost surely, 2^20164633222 is an apocalyptic number.

20164633222 is a deficient number, since it is larger than the sum of its proper divisors (10083011450).

20164633222 is a wasteful number, since it uses less digits than its factorization.

20164633222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231614.

The product of its (nonzero) digits is 20736, while the sum is 31.

The spelling of 20164633222 in words is "twenty billion, one hundred sixty-four million, six hundred thirty-three thousand, two hundred twenty-two".