20354944112 has 40 divisors (see below), whose sum is σ = 42133017600. Its totient is φ = 9497898432.

The previous prime is 20354944111. The next prime is 20354944139. The reversal of 20354944112 is 21144945302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20354944111) 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, 479312 + ... + 520047.

It is an arithmetic number, because the mean of its divisors is an integer number (1053325440).

Almost surely, 2^20354944112 is an apocalyptic number.

It is an amenable number.

20354944112 is an abundant number, since it is smaller than the sum of its proper divisors (21778073488).

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

20354944112 is a wasteful number, since it uses less digits than its factorization.

20354944112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 999453 (or 999447 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 35.

The spelling of 20354944112 in words is "twenty billion, three hundred fifty-four million, nine hundred forty-four thousand, one hundred twelve".