20845842096 has 40 divisors (see below), whose sum is σ = 56686064320. Its totient is φ = 6582897216.

The previous prime is 20845842019. The next prime is 20845842097. The reversal of 20845842096 is 69024854802.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (20845842097) 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, 11427730 + ... + 11429553.

It is an arithmetic number, because the mean of its divisors is an integer number (1417151608).

Almost surely, 2^20845842096 is an apocalyptic number.

It is an amenable number.

20845842096 is an abundant number, since it is smaller than the sum of its proper divisors (35840222224).

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

20845842096 is a wasteful number, since it uses less digits than its factorization.

20845842096 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22857313 (or 22857307 counting only the distinct ones).

The product of its (nonzero) digits is 1105920, while the sum is 48.

The spelling of 20845842096 in words is "twenty billion, eight hundred forty-five million, eight hundred forty-two thousand, ninety-six".