82656020 has 24 divisors (see below), whose sum is σ = 181125504. Its totient is φ = 31624736.

The previous prime is 82656017. The next prime is 82656029. The reversal of 82656020 is 2065628.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82656029) 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, 89384 + ... + 90303.

It is an arithmetic number, because the mean of its divisors is an integer number (7546896).

Almost surely, 2^82656020 is an apocalyptic number.

It is an amenable number.

82656020 is an abundant number, since it is smaller than the sum of its proper divisors (98469484).

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

82656020 is a wasteful number, since it uses less digits than its factorization.

82656020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179719 (or 179717 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 82656020 is about 9091.5356238647. The cubic root of 82656020 is about 435.6036363558.

It can be divided in two parts, 8265 and 6020, that multiplied together give a triangular number (49755300 = T₉₉₇₅).

The spelling of 82656020 in words is "eighty-two million, six hundred fifty-six thousand, twenty".