20622442465 has 8 divisors (see below), whose sum is σ = 24748512768. Its totient is φ = 16496899440.

The previous prime is 20622442429. The next prime is 20622442469. The reversal of 20622442465 is 56424422602.

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

It is not a de Polignac number, because 20622442465 - 2¹⁵ = 20622409697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20622442469) 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, 39951 + ... + 206980.

It is an arithmetic number, because the mean of its divisors is an integer number (3093564096).

Almost surely, 2^20622442465 is an apocalyptic number.

It is an amenable number.

20622442465 is a deficient number, since it is larger than the sum of its proper divisors (4126070303).

20622442465 is a wasteful number, since it uses less digits than its factorization.

20622442465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263639.

The product of its (nonzero) digits is 184320, while the sum is 37.

The spelling of 20622442465 in words is "twenty billion, six hundred twenty-two million, four hundred forty-two thousand, four hundred sixty-five".