20626644002 has 8 divisors (see below), whose sum is σ = 31598263296. Its totient is φ = 10093889572.

The previous prime is 20626644001. The next prime is 20626644011. The reversal of 20626644002 is 20044662602.

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

It is a self number, because there is not a number n which added to its sum of digits gives 20626644002.

It is not an unprimeable number, because it can be changed into a prime (20626644001) 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, 109716098 + ... + 109716285.

It is an arithmetic number, because the mean of its divisors is an integer number (3949782912).

Almost surely, 2^20626644002 is an apocalyptic number.

20626644002 is a deficient number, since it is larger than the sum of its proper divisors (10971619294).

20626644002 is a wasteful number, since it uses less digits than its factorization.

20626644002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219432432.

The product of its (nonzero) digits is 27648, while the sum is 32.

The spelling of 20626644002 in words is "twenty billion, six hundred twenty-six million, six hundred forty-four thousand, two".