19922473080 has 96 divisors (see below), whose sum is σ = 64815856560. Its totient is φ = 5307095040.

The previous prime is 19922473033. The next prime is 19922473093. The reversal of 19922473080 is 8037422991.

19922473080 is a `hidden beast` number, since 19 + 92 + 2 + 473 + 0 + 80 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 321064 + ... + 378056.

Almost surely, 2^19922473080 is an apocalyptic number.

19922473080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 19922473080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32407928280).

19922473080 is an abundant number, since it is smaller than the sum of its proper divisors (44893383480).

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

19922473080 is a wasteful number, since it uses less digits than its factorization.

19922473080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57981 (or 57974 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The spelling of 19922473080 in words is "nineteen billion, nine hundred twenty-two million, four hundred seventy-three thousand, eighty".