20433376496 has 40 divisors (see below), whose sum is σ = 42646739184. Its totient is φ = 9428198400.

The previous prime is 20433376471. The next prime is 20433376499. The reversal of 20433376496 is 69467333402.

It is a self number, because there is not a number n which added to its sum of digits gives 20433376496.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20433376499) 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, 890771 + ... + 913421.

Almost surely, 2^20433376496 is an apocalyptic number.

20433376496 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

20433376496 is an abundant number, since it is smaller than the sum of its proper divisors (22213362688).

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

20433376496 is a wasteful number, since it uses less digits than its factorization.

20433376496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27009 (or 27003 counting only the distinct ones).

The product of its (nonzero) digits is 1959552, while the sum is 47.

The spelling of 20433376496 in words is "twenty billion, four hundred thirty-three million, three hundred seventy-six thousand, four hundred ninety-six".