332161828020 has 144 divisors (see below), whose sum is σ = 1163809902528. Its totient is φ = 75787361280.

The previous prime is 332161827947. The next prime is 332161828043. The reversal of 332161828020 is 20828161233.

332161828020 is a `hidden beast` number, since 3 + 32 + 1 + 618 + 2 + 8 + 0 + 2 + 0 = 666.

It is a super-2 number, since 2×332161828020² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4900414 + ... + 4967733.

It is an arithmetic number, because the mean of its divisors is an integer number (8082013212).

Almost surely, 2^332161828020 is an apocalyptic number.

332161828020 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

332161828020 is an abundant number, since it is smaller than the sum of its proper divisors (831648074508).

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

332161828020 is a wasteful number, since it uses less digits than its factorization.

332161828020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9868190 (or 9868185 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

Adding to 332161828020 its reverse (20828161233), we get a palindrome (352989989253).

The spelling of 332161828020 in words is "three hundred thirty-two billion, one hundred sixty-one million, eight hundred twenty-eight thousand, twenty".