20022408690 has 16 divisors (see below), whose sum is σ = 48053780928. Its totient is φ = 5339308976.

The previous prime is 20022408617. The next prime is 20022408691. The reversal of 20022408690 is 9680422002.

It is a super-2 number, since 2×20022408690² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20022408691) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 333706782 + ... + 333706841.

It is an arithmetic number, because the mean of its divisors is an integer number (3003361308).

Almost surely, 2^20022408690 is an apocalyptic number.

20022408690 is an abundant number, since it is smaller than the sum of its proper divisors (28031372238).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20022408690 is a wasteful number, since it uses less digits than its factorization.

20022408690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 667413633.

The product of its (nonzero) digits is 13824, while the sum is 33.

The spelling of 20022408690 in words is "twenty billion, twenty-two million, four hundred eight thousand, six hundred ninety".