34312020 has 24 divisors (see below), whose sum is σ = 96073824. Its totient is φ = 9149856.

The previous prime is 34312013. The next prime is 34312027. The reversal of 34312020 is 2021343.

It is an interprime number because it is at equal distance from previous prime (34312013) and next prime (34312027).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34312027) 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, 285874 + ... + 285993.

It is an arithmetic number, because the mean of its divisors is an integer number (4003076).

Almost surely, 2^34312020 is an apocalyptic number.

34312020 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

34312020 is an abundant number, since it is smaller than the sum of its proper divisors (61761804).

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

34312020 is a wasteful number, since it uses less digits than its factorization.

34312020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 571879 (or 571877 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 34312020 is about 5857.6462849851. The cubic root of 34312020 is about 324.9491675923.

Adding to 34312020 its reverse (2021343), we get a palindrome (36333363).

The spelling of 34312020 in words is "thirty-four million, three hundred twelve thousand, twenty".