1203222020 has 96 divisors (see below), whose sum is σ = 3392637696. Its totient is φ = 346176000.

The previous prime is 1203222017. The next prime is 1203222067. The reversal of 1203222020 is 202223021.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 1203221986 and 1203222004.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10031 + ... + 50070.

It is an arithmetic number, because the mean of its divisors is an integer number (35339976).

Almost surely, 2^1203222020 is an apocalyptic number.

1203222020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1203222020 is an abundant number, since it is smaller than the sum of its proper divisors (2189415676).

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

1203222020 is a wasteful number, since it uses less digits than its factorization.

1203222020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60141 (or 60139 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 1203222020 is about 34687.4908288276. The cubic root of 1203222020 is about 1063.6088045465.

Adding to 1203222020 its reverse (202223021), we get a palindrome (1405445041).

The spelling of 1203222020 in words is "one billion, two hundred three million, two hundred twenty-two thousand, twenty".