20266422462064 has 10 divisors (see below), whose sum is σ = 39266193520280. Its totient is φ = 10133211231024.

The previous prime is 20266422462061. The next prime is 20266422462071. The reversal of 20266422462064 is 46026422466202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20266422462061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 633325701924 + ... + 633325701955.

It is an arithmetic number, because the mean of its divisors is an integer number (3926619352028).

Almost surely, 2^{20266422462064} is an apocalyptic number.

It is an amenable number.

20266422462064 is a deficient number, since it is larger than the sum of its proper divisors (18999771058216).

20266422462064 is a wasteful number, since it uses less digits than its factorization.

20266422462064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1266651403887 (or 1266651403881 counting only the distinct ones).

The product of its (nonzero) digits is 2654208, while the sum is 46.

The spelling of 20266422462064 in words is "twenty trillion, two hundred sixty-six billion, four hundred twenty-two million, four hundred sixty-two thousand, sixty-four".