20244552102 has 96 divisors (see below), whose sum is σ = 48347863200. Its totient is φ = 6326926848.

The previous prime is 20244552089. The next prime is 20244552143. The reversal of 20244552102 is 20125544202.

20244552102 is a `hidden beast` number, since 2 + 0 + 2 + 4 + 4 + 552 + 102 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2217924 + ... + 2227032.

It is an arithmetic number, because the mean of its divisors is an integer number (503623575).

Almost surely, 2^20244552102 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20244552102, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24173931600).

20244552102 is an abundant number, since it is smaller than the sum of its proper divisors (28103311098).

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

20244552102 is a wasteful number, since it uses less digits than its factorization.

20244552102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9412 (or 9400 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 27.

The spelling of 20244552102 in words is "twenty billion, two hundred forty-four million, five hundred fifty-two thousand, one hundred two".