104020035 has 32 divisors (see below), whose sum is σ = 196349952. Its totient is φ = 46016640.

The previous prime is 104020031. The next prime is 104020073. The reversal of 104020035 is 530020401.

It is not a de Polignac number, because 104020035 - 2² = 104020031 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a junction number, because it is equal to n+sod(n) for n = 104019996 and 104020023.

It is not an unprimeable number, because it can be changed into a prime (104020031) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12724 + ... + 19233.

It is an arithmetic number, because the mean of its divisors is an integer number (6135936).

Almost surely, 2^104020035 is an apocalyptic number.

104020035 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

104020035 is a deficient number, since it is larger than the sum of its proper divisors (92329917).

104020035 is a wasteful number, since it uses less digits than its factorization.

104020035 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32003.

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 104020035 is about 10199.0212765736. The cubic root of 104020035 is about 470.2971336760.

Adding to 104020035 its reverse (530020401), we get a palindrome (634040436).

The spelling of 104020035 in words is "one hundred four million, twenty thousand, thirty-five".