83333420 has 12 divisors (see below), whose sum is σ = 175000224. Its totient is φ = 33333360.

The previous prime is 83333413. The next prime is 83333447. The reversal of 83333420 is 2433338.

It is a self number, because there is not a number n which added to its sum of digits gives 83333420.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2083316 + ... + 2083355.

It is an arithmetic number, because the mean of its divisors is an integer number (14583352).

Almost surely, 2^83333420 is an apocalyptic number.

It is an amenable number.

83333420 is an abundant number, since it is smaller than the sum of its proper divisors (91666804).

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

83333420 is a wasteful number, since it uses less digits than its factorization.

83333420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4166680 (or 4166678 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 26.

The square root of 83333420 is about 9128.7140386804. The cubic root of 83333420 is about 436.7903837887.

Adding to 83333420 its reverse (2433338), we get a palindrome (85766758).

The spelling of 83333420 in words is "eighty-three million, three hundred thirty-three thousand, four hundred twenty".