20254463466 has 16 divisors (see below), whose sum is σ = 40514829888. Its totient is φ = 6750504000.

The previous prime is 20254463461. The next prime is 20254463477. The reversal of 20254463466 is 66436445202.

It is not an unprimeable number, because it can be changed into a prime (20254463461) 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, 200710 + ... + 284241.

It is an arithmetic number, because the mean of its divisors is an integer number (2532176868).

Almost surely, 2^20254463466 is an apocalyptic number.

20254463466 is an abundant number, since it is smaller than the sum of its proper divisors (20260366422).

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

20254463466 is a wasteful number, since it uses less digits than its factorization.

20254463466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 491917.

The product of its (nonzero) digits is 829440, while the sum is 42.

The spelling of 20254463466 in words is "twenty billion, two hundred fifty-four million, four hundred sixty-three thousand, four hundred sixty-six".