182020020021 has 80 divisors (see below), whose sum is σ = 312634650240. Its totient is φ = 103382386560.

The previous prime is 182020019989. The next prime is 182020020023. The reversal of 182020020021 is 120020020281.

It is a happy number.

182020020021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 182020020021 - 2⁵ = 182020019989 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 182020019976 and 182020020003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (182020020023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 153343990 + ... + 153345176.

It is an arithmetic number, because the mean of its divisors is an integer number (3907933128).

Almost surely, 2^182020020021 is an apocalyptic number.

It is an amenable number.

182020020021 is a deficient number, since it is larger than the sum of its proper divisors (130614630219).

182020020021 is a wasteful number, since it uses less digits than its factorization.

182020020021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2616 (or 2607 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

The spelling of 182020020021 in words is "one hundred eighty-two billion, twenty million, twenty thousand, twenty-one".