3220620342 has 16 divisors (see below), whose sum is σ = 6441836592. Its totient is φ = 1073440800.

The previous prime is 3220620329. The next prime is 3220620343. The reversal of 3220620342 is 2430260223.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3220620343) 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, 78528 + ... + 112284.

It is an arithmetic number, because the mean of its divisors is an integer number (402614787).

Almost surely, 2^3220620342 is an apocalyptic number.

3220620342 is an abundant number, since it is smaller than the sum of its proper divisors (3221216250).

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

3220620342 is a wasteful number, since it uses less digits than its factorization.

3220620342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49663.

The product of its (nonzero) digits is 3456, while the sum is 24.

The square root of 3220620342 is about 56750.5096188572. The cubic root of 3220620342 is about 1476.7710744463.

Adding to 3220620342 its reverse (2430260223), we get a palindrome (5650880565).

The spelling of 3220620342 in words is "three billion, two hundred twenty million, six hundred twenty thousand, three hundred forty-two".