20310101010 has 48 divisors (see below), whose sum is σ = 55102192704. Its totient is φ = 5180546976.

The previous prime is 20310100933. The next prime is 20310101011. The reversal of 20310101010 is 1010101302.

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

20310101010 is a modest number, since divided by 101010 gives 20310 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 20310100983 and 20310101001.

It is not an unprimeable number, because it can be changed into a prime (20310101011) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4903752 + ... + 4907891.

It is an arithmetic number, because the mean of its divisors is an integer number (1147962348).

Almost surely, 2^20310101010 is an apocalyptic number.

20310101010 is an abundant number, since it is smaller than the sum of its proper divisors (34792091694).

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

20310101010 is a wasteful number, since it uses less digits than its factorization.

20310101010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9811679 (or 9811676 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 9.

Adding to 20310101010 its reverse (1010101302), we get a palindrome (21320202312).

The spelling of 20310101010 in words is "twenty billion, three hundred ten million, one hundred one thousand, ten".