20240019984 has 120 divisors (see below), whose sum is σ = 54363324096. Its totient is φ = 6487577600.

The previous prime is 20240019929. The next prime is 20240019991. The reversal of 20240019984 is 48991004202.

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, 5727082 + ... + 5730614.

Almost surely, 2^20240019984 is an apocalyptic number.

20240019984 is a gapful number since it is divisible by the number (24) 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 20240019984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27181662048).

20240019984 is an abundant number, since it is smaller than the sum of its proper divisors (34123304112).

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

20240019984 is a wasteful number, since it uses less digits than its factorization.

20240019984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3697 (or 3650 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 39.

The spelling of 20240019984 in words is "twenty billion, two hundred forty million, nineteen thousand, nine hundred eighty-four".