34120220 has 24 divisors (see below), whose sum is σ = 71777664. Its totient is φ = 13624256.

The previous prime is 34120217. The next prime is 34120223. The reversal of 34120220 is 2202143.

It is an interprime number because it is at equal distance from previous prime (34120217) and next prime (34120223).

It is a junction number, because it is equal to n+sod(n) for n = 34120195 and 34120204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34120223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14357 + ... + 16563.

It is an arithmetic number, because the mean of its divisors is an integer number (2990736).

Almost surely, 2^34120220 is an apocalyptic number.

It is an amenable number.

34120220 is an abundant number, since it is smaller than the sum of its proper divisors (37657444).

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

34120220 is a wasteful number, since it uses less digits than its factorization.

34120220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2989 (or 2987 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 34120220 is about 5841.2515782151. The cubic root of 34120220 is about 324.3425605149.

Adding to 34120220 its reverse (2202143), we get a palindrome (36322363).

The spelling of 34120220 in words is "thirty-four million, one hundred twenty thousand, two hundred twenty".