82303620 has 96 divisors (see below), whose sum is σ = 265617408. Its totient is φ = 18652032.

The previous prime is 82303609. The next prime is 82303621. The reversal of 82303620 is 2630328.

It is not an unprimeable number, because it can be changed into a prime (82303621) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 52569 + ... + 54111.

It is an arithmetic number, because the mean of its divisors is an integer number (2766848).

Almost surely, 2^82303620 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 82303620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (132808704).

82303620 is an abundant number, since it is smaller than the sum of its proper divisors (183313788).

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

82303620 is a wasteful number, since it uses less digits than its factorization.

82303620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1689 (or 1687 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 82303620 is about 9072.1342582658. The cubic root of 82303620 is about 434.9836960463.

Adding to 82303620 its reverse (2630328), we get a palindrome (84933948).

The spelling of 82303620 in words is "eighty-two million, three hundred three thousand, six hundred twenty".