303620020 has 48 divisors (see below), whose sum is σ = 697124736. Its totient is φ = 110160000.

The previous prime is 303620003. The next prime is 303620089. The reversal of 303620020 is 20026303.

It is a junction number, because it is equal to n+sod(n) for n = 303619976 and 303620003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 117745 + ... + 120295.

It is an arithmetic number, because the mean of its divisors is an integer number (14523432).

Almost surely, 2^303620020 is an apocalyptic number.

It is an amenable number.

303620020 is an abundant number, since it is smaller than the sum of its proper divisors (393504716).

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

303620020 is a wasteful number, since it uses less digits than its factorization.

303620020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3112 (or 3110 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 303620020 is about 17424.6956931821. The cubic root of 303620020 is about 672.1148146840.

Adding to 303620020 its reverse (20026303), we get a palindrome (323646323).

The spelling of 303620020 in words is "three hundred three million, six hundred twenty thousand, twenty".