1233030020220 has 72 divisors (see below), whose sum is σ = 3960202310064. Its totient is φ = 309466357248.

The previous prime is 1233030020149. The next prime is 1233030020267. The reversal of 1233030020220 is 220200303321.

It is a happy number.

1233030020220 is a `hidden beast` number, since 12 + 330 + 300 + 2 + 0 + 2 + 20 = 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 = 1233030020193 and 1233030020202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 201472434 + ... + 201478553.

It is an arithmetic number, because the mean of its divisors is an integer number (55002809862).

Almost surely, 2^{1233030020220} is an apocalyptic number.

1233030020220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1233030020220 is an abundant number, since it is smaller than the sum of its proper divisors (2727172289844).

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

1233030020220 is a wasteful number, since it uses less digits than its factorization.

1233030020220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 402951019 (or 402951014 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

Adding to 1233030020220 its reverse (220200303321), we get a palindrome (1453230323541).

The spelling of 1233030020220 in words is "one trillion, two hundred thirty-three billion, thirty million, twenty thousand, two hundred twenty".