20104053102 has 144 divisors (see below), whose sum is σ = 55059264000. Its totient is φ = 5266023840.

The previous prime is 20104053097. The next prime is 20104053139. The reversal of 20104053102 is 20135040102.

It is a super-2 number, since 2×20104053102² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 500149 + ... + 538847.

It is an arithmetic number, because the mean of its divisors is an integer number (382356000).

Almost surely, 2^20104053102 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20104053102, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27529632000).

20104053102 is an abundant number, since it is smaller than the sum of its proper divisors (34955210898).

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

20104053102 is a wasteful number, since it uses less digits than its factorization.

20104053102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38771 (or 38761 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

Adding to 20104053102 its reverse (20135040102), we get a palindrome (40239093204).

The spelling of 20104053102 in words is "twenty billion, one hundred four million, fifty-three thousand, one hundred two".