101004324520 has 128 divisors (see below), whose sum is σ = 264645273600. Its totient is φ = 34305465600.

The previous prime is 101004324503. The next prime is 101004324557. The reversal of 101004324520 is 25423400101.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 101004324491 and 101004324500.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 508477 + ... + 678643.

It is an arithmetic number, because the mean of its divisors is an integer number (2067541200).

Almost surely, 2^101004324520 is an apocalyptic number.

101004324520 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 101004324520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (132322636800).

101004324520 is an abundant number, since it is smaller than the sum of its proper divisors (163640949080).

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

101004324520 is a wasteful number, since it uses less digits than its factorization.

101004324520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170279 (or 170275 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

Adding to 101004324520 its reverse (25423400101), we get a palindrome (126427724621).

It can be divided in two parts, 101004 and 324520, that added together give a palindrome (425524).

The spelling of 101004324520 in words is "one hundred one billion, four million, three hundred twenty-four thousand, five hundred twenty".