200310111020 has 24 divisors (see below), whose sum is σ = 421051516368. Its totient is φ = 80047800000.

The previous prime is 200310110953. The next prime is 200310111031. The reversal of 200310111020 is 20111013002.

It is a junction number, because it is equal to n+sod(n) for n = 200310110992 and 200310111010.

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, 4743731 + ... + 4785770.

It is an arithmetic number, because the mean of its divisors is an integer number (17543813182).

Almost surely, 2^200310111020 is an apocalyptic number.

200310111020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200310111020 is an abundant number, since it is smaller than the sum of its proper divisors (220741405348).

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

200310111020 is a wasteful number, since it uses less digits than its factorization.

200310111020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9530561 (or 9530559 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 200310111020 its reverse (20111013002), we get a palindrome (220421124022).

The spelling of 200310111020 in words is "two hundred billion, three hundred ten million, one hundred eleven thousand, twenty".