101104020 has 72 divisors (see below), whose sum is σ = 316592640. Its totient is φ = 26089920.

The previous prime is 101104009. The next prime is 101104027. The reversal of 101104020 is 20401101.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 101103993 and 101104011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101104027) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3480 + ... + 14639.

It is an arithmetic number, because the mean of its divisors is an integer number (4397120).

Almost surely, 2^101104020 is an apocalyptic number.

101104020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101104020 is an abundant number, since it is smaller than the sum of its proper divisors (215488620).

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

101104020 is a wasteful number, since it uses less digits than its factorization.

101104020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18165 (or 18160 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

The square root of 101104020 is about 10055.0494777500. The cubic root of 101104020 is about 465.8607712166.

Adding to 101104020 its reverse (20401101), we get a palindrome (121505121).

The spelling of 101104020 in words is "one hundred one million, one hundred four thousand, twenty".