20200100310 has 96 divisors (see below), whose sum is σ = 56595258720. Its totient is φ = 4969257984.

The previous prime is 20200100303. The next prime is 20200100311. The reversal of 20200100310 is 1300100202.

It is a happy number.

It is a super-2 number, since 2×20200100310² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 20200100292 and 20200100301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20200100311) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2320446 + ... + 2329134.

It is an arithmetic number, because the mean of its divisors is an integer number (589533945).

Almost surely, 2^20200100310 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20200100310, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28297629360).

20200100310 is an abundant number, since it is smaller than the sum of its proper divisors (36395158410).

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

20200100310 is a wasteful number, since it uses less digits than its factorization.

20200100310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10702 (or 10699 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

Adding to 20200100310 its reverse (1300100202), we get a palindrome (21500200512).

The spelling of 20200100310 in words is "twenty billion, two hundred million, one hundred thousand, three hundred ten".