34103120420 has 12 divisors (see below), whose sum is σ = 71616552924. Its totient is φ = 13641248160.

The previous prime is 34103120413. The next prime is 34103120423. The reversal of 34103120420 is 2402130143.

It can be written as a sum of positive squares in 2 ways, for example, as 22842090496 + 11261029924 = 151136^2 + 106118^2 .

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 1705156021 = 34103120420 / (3 + 4 + 1 + 0 + 3 + 1 + 2 + 0 + 4 + 2 + 0).

It is a junction number, because it is equal to n+sod(n) for n = 34103120392 and 34103120401.

It is not an unprimeable number, because it can be changed into a prime (34103120423) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 852577991 + ... + 852578030.

It is an arithmetic number, because the mean of its divisors is an integer number (5968046077).

Almost surely, 2^34103120420 is an apocalyptic number.

It is an amenable number.

34103120420 is an abundant number, since it is smaller than the sum of its proper divisors (37513432504).

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

34103120420 is a wasteful number, since it uses less digits than its factorization.

34103120420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1705156030 (or 1705156028 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 34103120420 its reverse (2402130143), we get a palindrome (36505250563).

The spelling of 34103120420 in words is "thirty-four billion, one hundred three million, one hundred twenty thousand, four hundred twenty".