1020104499904 has 112 divisors (see below), whose sum is σ = 2322753767488. Its totient is φ = 435432112128.

The previous prime is 1020104499889. The next prime is 1020104499991. The reversal of 1020104499904 is 4099944010201.

1020104499904 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (112).

It is a super-2 number, since 2×1020104499904² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 237397084 + ... + 237401380.

It is an arithmetic number, because the mean of its divisors is an integer number (20738872924).

Almost surely, 2^{1020104499904} is an apocalyptic number.

1020104499904 is a gapful number since it is divisible by the number (14) 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 1020104499904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1161376883744).

1020104499904 is an abundant number, since it is smaller than the sum of its proper divisors (1302649267584).

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

1020104499904 is a wasteful number, since it uses less digits than its factorization.

1020104499904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6322 (or 6312 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 43.

The spelling of 1020104499904 in words is "one trillion, twenty billion, one hundred four million, four hundred ninety-nine thousand, nine hundred four".