233312020220 has 12 divisors (see below), whose sum is σ = 489955242504. Its totient is φ = 93324808080.

The previous prime is 233312020199. The next prime is 233312020241. The reversal of 233312020220 is 22020213332.

It is an interprime number because it is at equal distance from previous prime (233312020199) and next prime (233312020241).

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 11665601011 = 233312020220 / (2 + 3 + 3 + 3 + 1 + 2 + 0 + 2 + 0 + 2 + 2 + 0).

It is a junction number, because it is equal to n+sod(n) for n = 233312020192 and 233312020201.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5832800486 + ... + 5832800525.

It is an arithmetic number, because the mean of its divisors is an integer number (40829603542).

Almost surely, 2^233312020220 is an apocalyptic number.

233312020220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

233312020220 is an abundant number, since it is smaller than the sum of its proper divisors (256643222284).

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

233312020220 is a wasteful number, since it uses less digits than its factorization.

233312020220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11665601020 (or 11665601018 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 233312020220 its reverse (22020213332), we get a palindrome (255332233552).

The spelling of 233312020220 in words is "two hundred thirty-three billion, three hundred twelve million, twenty thousand, two hundred twenty".