20020110984 has 96 divisors (see below), whose sum is σ = 58674208320. Its totient is φ = 6383209536.

The previous prime is 20020110983. The next prime is 20020111003. The reversal of 20020110984 is 48901102002.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (20020110983) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 179167 + ... + 268590.

It is an arithmetic number, because the mean of its divisors is an integer number (611189670).

Almost surely, 2^20020110984 is an apocalyptic number.

20020110984 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

20020110984 is an abundant number, since it is smaller than the sum of its proper divisors (38654097336).

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

20020110984 is a wasteful number, since it uses less digits than its factorization.

20020110984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 447801 (or 447785 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

Adding to 20020110984 its reverse (48901102002), we get a palindrome (68921212986).

The spelling of 20020110984 in words is "twenty billion, twenty million, one hundred ten thousand, nine hundred eighty-four".