20100101010 has 32 divisors (see below), whose sum is σ = 52625719872. Its totient is φ = 4872751680.

The previous prime is 20100101003. The next prime is 20100101027. The reversal of 20100101010 is 1010100102.

It is a super-2 number, since 2×20100101010² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (6).

20100101010 is a modest number, since divided by 101010 gives 20100 as remainder.

It is a self number, because there is not a number n which added to its sum of digits gives 20100101010.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30454369 + ... + 30455028.

It is an arithmetic number, because the mean of its divisors is an integer number (1644553746).

Almost surely, 2^20100101010 is an apocalyptic number.

20100101010 is an abundant number, since it is smaller than the sum of its proper divisors (32525618862).

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

20100101010 is a wasteful number, since it uses less digits than its factorization.

20100101010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60909418.

The product of its (nonzero) digits is 2, while the sum is 6.

Adding to 20100101010 its reverse (1010100102), we get a palindrome (21110201112).

The spelling of 20100101010 in words is "twenty billion, one hundred million, one hundred one thousand, ten".