23400322020 has 72 divisors (see below), whose sum is σ = 71451132480. Its totient is φ = 6198753600.

The previous prime is 23400322019. The next prime is 23400322037. The reversal of 23400322020 is 2022300432.

23400322020 is a `hidden beast` number, since 2 + 340 + 0 + 322 + 0 + 2 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 23400321984 and 23400322002.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 403290 + ... + 457649.

It is an arithmetic number, because the mean of its divisors is an integer number (992376840).

Almost surely, 2^23400322020 is an apocalyptic number.

23400322020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23400322020 is an abundant number, since it is smaller than the sum of its proper divisors (48050810460).

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

23400322020 is a wasteful number, since it uses less digits than its factorization.

23400322020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 861105 (or 861100 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

Adding to 23400322020 its reverse (2022300432), we get a palindrome (25422622452).

The spelling of 23400322020 in words is "twenty-three billion, four hundred million, three hundred twenty-two thousand, twenty".