20164656002 has 8 divisors (see below), whose sum is σ = 31562070336. Its totient is φ = 9643965892.

The previous prime is 20164655999. The next prime is 20164656007. The reversal of 20164656002 is 20065646102.

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

It is a super-2 number, since 2×20164656002² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20164656002.

It is not an unprimeable number, because it can be changed into a prime (20164656007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 219180998 + ... + 219181089.

It is an arithmetic number, because the mean of its divisors is an integer number (3945258792).

Almost surely, 2^20164656002 is an apocalyptic number.

20164656002 is a deficient number, since it is larger than the sum of its proper divisors (11397414334).

20164656002 is a wasteful number, since it uses less digits than its factorization.

20164656002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 438362112.

The product of its (nonzero) digits is 17280, while the sum is 32.

The spelling of 20164656002 in words is "twenty billion, one hundred sixty-four million, six hundred fifty-six thousand, two".