20603282896 has 160 divisors (see below), whose sum is σ = 47561043200. Its totient is φ = 8465264640.

The previous prime is 20603282879. The next prime is 20603282941. The reversal of 20603282896 is 69828230602.

It is a happy number.

It is a super-2 number, since 2×20603282896² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 54362035 + ... + 54362413.

It is an arithmetic number, because the mean of its divisors is an integer number (297256520).

Almost surely, 2^20603282896 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20603282896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23780521600).

20603282896 is an abundant number, since it is smaller than the sum of its proper divisors (26957760304).

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

20603282896 is a wasteful number, since it uses less digits than its factorization.

20603282896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 637 (or 631 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 46.

The spelling of 20603282896 in words is "twenty billion, six hundred three million, two hundred eighty-two thousand, eight hundred ninety-six".