20604463494 has 8 divisors (see below), whose sum is σ = 41208927000. Its totient is φ = 6868154496.

The previous prime is 20604463483. The next prime is 20604463513. The reversal of 20604463494 is 49436440602.

It is a happy number.

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

20604463494 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1717038619 + ... + 1717038630.

It is an arithmetic number, because the mean of its divisors is an integer number (5151115875).

Almost surely, 2^20604463494 is an apocalyptic number.

20604463494 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

20604463494 is a wasteful number, since it uses less digits than its factorization.

20604463494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3434077254.

The product of its (nonzero) digits is 497664, while the sum is 42.

The spelling of 20604463494 in words is "twenty billion, six hundred four million, four hundred sixty-three thousand, four hundred ninety-four".