200000000031020 has 96 divisors (see below), whose sum is σ = 481617380514816. Its totient is φ = 68340442003200.

The previous prime is 200000000031019. The next prime is 200000000031113. The reversal of 200000000031020 is 20130000000002.

It is a junction number, because it is equal to n+sod(n) for n = 200000000030989 and 200000000031007.

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, 285751814 + ... + 286450866.

It is an arithmetic number, because the mean of its divisors is an integer number (5016847713696).

Almost surely, 2^{200000000031020} is an apocalyptic number.

200000000031020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 200000000031020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (240808690257408).

200000000031020 is an abundant number, since it is smaller than the sum of its proper divisors (281617380483796).

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

200000000031020 is a wasteful number, since it uses less digits than its factorization.

200000000031020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 705951 (or 705949 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 8.

Adding to 200000000031020 its reverse (20130000000002), we get a palindrome (220130000031022).

The spelling of 200000000031020 in words is "two hundred trillion, thirty-one thousand, twenty".