20022282661 has 8 divisors (see below), whose sum is σ = 21352584960. Its totient is φ = 18708927168.

The previous prime is 20022282649. The next prime is 20022282671. The reversal of 20022282661 is 16628222002.

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

It is a cyclic number.

It is not a de Polignac number, because 20022282661 - 2⁵ = 20022282629 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20022282641) 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, 4234261 + ... + 4238986.

It is an arithmetic number, because the mean of its divisors is an integer number (2669073120).

Almost surely, 2^20022282661 is an apocalyptic number.

It is an amenable number.

20022282661 is a deficient number, since it is larger than the sum of its proper divisors (1330302299).

20022282661 is a wasteful number, since it uses less digits than its factorization.

20022282661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8473403.

The product of its (nonzero) digits is 9216, while the sum is 31.

The spelling of 20022282661 in words is "twenty billion, twenty-two million, two hundred eighty-two thousand, six hundred sixty-one".