233420011442220 has 48 divisors (see below), whose sum is σ = 653576752509408. Its totient is φ = 62245267768320.

The previous prime is 233420011442183. The next prime is 233420011442237. The reversal of 233420011442220 is 22244110024332.

It is a super-2 number, since 2×233420011442220² (a number of 30 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 76694562 + ... + 79679958.

It is an arithmetic number, because the mean of its divisors is an integer number (13616182343946).

Almost surely, 2^{233420011442220} is an apocalyptic number.

233420011442220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

233420011442220 is an abundant number, since it is smaller than the sum of its proper divisors (420156741067188).

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

233420011442220 is a wasteful number, since it uses less digits than its factorization.

233420011442220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4288530 (or 4288528 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 30.

Adding to 233420011442220 its reverse (22244110024332), we get a palindrome (255664121466552).

The spelling of 233420011442220 in words is "two hundred thirty-three trillion, four hundred twenty billion, eleven million, four hundred forty-two thousand, two hundred twenty".