19826484120 has 48 divisors (see below), whose sum is σ = 64436074560. Its totient is φ = 5287062336.

The previous prime is 19826484101. The next prime is 19826484133. The reversal of 19826484120 is 2148462891.

19826484120 is a `hidden beast` number, since 198 + 2 + 6 + 48 + 412 + 0 = 666.

It is a super-2 number, since 2×19826484120² (a number of 21 digits) contains 22 as substring.

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 11 ways as a sum of consecutive naturals, for example, 27536424 + ... + 27537143.

It is an arithmetic number, because the mean of its divisors is an integer number (1342418220).

Almost surely, 2^19826484120 is an apocalyptic number.

19826484120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

19826484120 is an abundant number, since it is smaller than the sum of its proper divisors (44609590440).

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

19826484120 is a wasteful number, since it uses less digits than its factorization.

19826484120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55073584 (or 55073577 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 45.

The spelling of 19826484120 in words is "nineteen billion, eight hundred twenty-six million, four hundred eighty-four thousand, one hundred twenty".