104134011020 has 144 divisors (see below), whose sum is σ = 252429760800. Its totient is φ = 35941920768.

The previous prime is 104134011017. The next prime is 104134011049. The reversal of 104134011020 is 20110431401.

It is a happy number.

It is a super-2 number, since 2×104134011020² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a self number, because there is not a number n which added to its sum of digits gives 104134011020.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8555459 + ... + 8567621.

It is an arithmetic number, because the mean of its divisors is an integer number (1752984450).

Almost surely, 2^104134011020 is an apocalyptic number.

104134011020 is a gapful number since it is divisible by the number (10) 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 104134011020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (126214880400).

104134011020 is an abundant number, since it is smaller than the sum of its proper divisors (148295749780).

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

104134011020 is a wasteful number, since it uses less digits than its factorization.

104134011020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12364 (or 12349 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 104134011020 its reverse (20110431401), we get a palindrome (124244442421).

The spelling of 104134011020 in words is "one hundred four billion, one hundred thirty-four million, eleven thousand, twenty".