1203013220220 has 144 divisors (see below), whose sum is σ = 4241131614720. Its totient is φ = 270313849728.

The previous prime is 1203013220209. The next prime is 1203013220243. The reversal of 1203013220220 is 220223103021.

1203013220220 is a `hidden beast` number, since 1 + 20 + 301 + 322 + 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 = 1203013220193 and 1203013220202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8016952 + ... + 8165631.

It is an arithmetic number, because the mean of its divisors is an integer number (29452302880).

Almost surely, 2^{1203013220220} is an apocalyptic number.

1203013220220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1203013220220 is an abundant number, since it is smaller than the sum of its proper divisors (3038118394500).

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

1203013220220 is a wasteful number, since it uses less digits than its factorization.

1203013220220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16182664 (or 16182659 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 1203013220220 its reverse (220223103021), we get a palindrome (1423236323241).

The spelling of 1203013220220 in words is "one trillion, two hundred three billion, thirteen million, two hundred twenty thousand, two hundred twenty".