303203112020 has 24 divisors (see below), whose sum is σ = 647164677768. Its totient is φ = 119293027200.

The previous prime is 303203112007. The next prime is 303203112029. The reversal of 303203112020 is 20211302303.

It can be written as a sum of positive squares in 4 ways, for example, as 841696144 + 302361415876 = 29012^2 + 549874^2 .

It is a super-2 number, since 2×303203112020² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 303203112020.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (303203112029) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 124262351 + ... + 124264790.

It is an arithmetic number, because the mean of its divisors is an integer number (26965194907).

Almost surely, 2^303203112020 is an apocalyptic number.

It is an amenable number.

303203112020 is an abundant number, since it is smaller than the sum of its proper divisors (343961565748).

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

303203112020 is a wasteful number, since it uses less digits than its factorization.

303203112020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248527211 (or 248527209 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 303203112020 its reverse (20211302303), we get a palindrome (323414414323).

The spelling of 303203112020 in words is "three hundred three billion, two hundred three million, one hundred twelve thousand, twenty".