20221018630 has 8 divisors (see below), whose sum is σ = 36397833552. Its totient is φ = 8088407448.

The previous prime is 20221018553. The next prime is 20221018669. The reversal of 20221018630 is 3681012202.

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

It is a junction number, because it is equal to n+sod(n) for n = 20221018595 and 20221018604.

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, 1011050922 + ... + 1011050941.

It is an arithmetic number, because the mean of its divisors is an integer number (4549729194).

Almost surely, 2^20221018630 is an apocalyptic number.

20221018630 is a deficient number, since it is larger than the sum of its proper divisors (16176814922).

20221018630 is a wasteful number, since it uses less digits than its factorization.

20221018630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2022101870.

The product of its (nonzero) digits is 1152, while the sum is 25.

The spelling of 20221018630 in words is "twenty billion, two hundred twenty-one million, eighteen thousand, six hundred thirty".