233220301220 has 48 divisors (see below), whose sum is σ = 492493817088. Its totient is φ = 92769346560.

The previous prime is 233220301211. The next prime is 233220301241. The reversal of 233220301220 is 22103022332.

It is a super-2 number, since 2×233220301220² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 233220301192 and 233220301201.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2546015 + ... + 2636025.

It is an arithmetic number, because the mean of its divisors is an integer number (10260287856).

Almost surely, 2^233220301220 is an apocalyptic number.

233220301220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

233220301220 is an abundant number, since it is smaller than the sum of its proper divisors (259273515868).

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

233220301220 is a wasteful number, since it uses less digits than its factorization.

233220301220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90740 (or 90738 counting only the distinct ones).

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

Adding to 233220301220 its reverse (22103022332), we get a palindrome (255323323552).

The spelling of 233220301220 in words is "two hundred thirty-three billion, two hundred twenty million, three hundred one thousand, two hundred twenty".