83343220 has 24 divisors (see below), whose sum is σ = 178746624. Its totient is φ = 32627616.

The previous prime is 83343199. The next prime is 83343229. The reversal of 83343220 is 2234338.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83343229) 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, 43392 + ... + 45271.

It is an arithmetic number, because the mean of its divisors is an integer number (7447776).

Almost surely, 2^83343220 is an apocalyptic number.

It is an amenable number.

83343220 is an abundant number, since it is smaller than the sum of its proper divisors (95403404).

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

83343220 is a wasteful number, since it uses less digits than its factorization.

83343220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88719 (or 88717 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 25.

The square root of 83343220 is about 9129.2507907276. The cubic root of 83343220 is about 436.8075052828.

Adding to 83343220 its reverse (2234338), we get a palindrome (85577558).

The spelling of 83343220 in words is "eighty-three million, three hundred forty-three thousand, two hundred twenty".