82900257020 has 36 divisors (see below), whose sum is σ = 202513487400. Its totient is φ = 28422944928.

The previous prime is 82900257017. The next prime is 82900257043. The reversal of 82900257020 is 2075200928.

It is a super-2 number, since 2×82900257020² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 42295070 + ... + 42297029.

It is an arithmetic number, because the mean of its divisors is an integer number (5625374650).

Almost surely, 2^82900257020 is an apocalyptic number.

It is an amenable number.

82900257020 is an abundant number, since it is smaller than the sum of its proper divisors (119613230380).

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

82900257020 is a wasteful number, since it uses less digits than its factorization.

82900257020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84592122 (or 84592113 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 35.

Adding to 82900257020 its reverse (2075200928), we get a palindrome (84975457948).

The spelling of 82900257020 in words is "eighty-two billion, nine hundred million, two hundred fifty-seven thousand, twenty".