203202221120120 has 32 divisors (see below), whose sum is σ = 458296178936400. Its totient is φ = 81086900640768.

The previous prime is 203202221120113. The next prime is 203202221120159. The reversal of 203202221120120 is 21021122202302.

It is a super-2 number, since 2×203202221120120² (a number of 29 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 = 203202221120092 and 203202221120101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6062102009 + ... + 6062135528.

Almost surely, 2^{203202221120120} is an apocalyptic number.

203202221120120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

203202221120120 is an abundant number, since it is smaller than the sum of its proper divisors (255093957816280).

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

203202221120120 is a wasteful number, since it uses less digits than its factorization.

203202221120120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12124237967 (or 12124237963 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 203202221120120 its reverse (21021122202302), we get a palindrome (224223343322422).

The spelling of 203202221120120 in words is "two hundred three trillion, two hundred two billion, two hundred twenty-one million, one hundred twenty thousand, one hundred twenty".