20104143102 has 24 divisors (see below), whose sum is σ = 43564595880. Its totient is φ = 6700516560.

The previous prime is 20104143083. The next prime is 20104143113. The reversal of 20104143102 is 20134140102.

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 (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 80049 + ... + 215907.

It is an arithmetic number, because the mean of its divisors is an integer number (1815191495).

Almost surely, 2^20104143102 is an apocalyptic number.

20104143102 is an abundant number, since it is smaller than the sum of its proper divisors (23460452778).

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

20104143102 is a wasteful number, since it uses less digits than its factorization.

20104143102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144088 (or 144085 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 20104143102 its reverse (20134140102), we get a palindrome (40238283204).

The spelling of 20104143102 in words is "twenty billion, one hundred four million, one hundred forty-three thousand, one hundred two".