20882633380 has 24 divisors (see below), whose sum is σ = 50118320448. Its totient is φ = 7159759968.

The previous prime is 20882633377. The next prime is 20882633381. The reversal of 20882633380 is 8333628802.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (20882633381) 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, 74580694 + ... + 74580973.

It is an arithmetic number, because the mean of its divisors is an integer number (2088263352).

Almost surely, 2^20882633380 is an apocalyptic number.

20882633380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20882633380 is an abundant number, since it is smaller than the sum of its proper divisors (29235687068).

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

20882633380 is a wasteful number, since it uses less digits than its factorization.

20882633380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149161683 (or 149161681 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 43.

The spelling of 20882633380 in words is "twenty billion, eight hundred eighty-two million, six hundred thirty-three thousand, three hundred eighty".