34440020 has 24 divisors (see below), whose sum is σ = 73198944. Its totient is φ = 13609376.

The previous prime is 34440001. The next prime is 34440059. The reversal of 34440020 is 2004443.

It is a super-2 number, since 2×34440020² = 2372229955200800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8714 + ... + 12033.

It is an arithmetic number, because the mean of its divisors is an integer number (3049956).

Almost surely, 2^34440020 is an apocalyptic number.

It is an amenable number.

34440020 is an abundant number, since it is smaller than the sum of its proper divisors (38758924).

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

34440020 is a wasteful number, since it uses less digits than its factorization.

34440020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20839 (or 20837 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 17.

The square root of 34440020 is about 5868.5620044437. The cubic root of 34440020 is about 325.3527373351.

Adding to 34440020 its reverse (2004443), we get a palindrome (36444463).

The spelling of 34440020 in words is "thirty-four million, four hundred forty thousand, twenty".