20010910101 has 16 divisors (see below), whose sum is σ = 32838417024. Its totient is φ = 10555205184.

The previous prime is 20010910097. The next prime is 20010910111. The reversal of 20010910101 is 10101901002.

It is not a de Polignac number, because 20010910101 - 2² = 20010910097 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20010910111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36649746 + ... + 36650291.

It is an arithmetic number, because the mean of its divisors is an integer number (2052401064).

Almost surely, 2^20010910101 is an apocalyptic number.

20010910101 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

20010910101 is a deficient number, since it is larger than the sum of its proper divisors (12827506923).

20010910101 is a wasteful number, since it uses less digits than its factorization.

20010910101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73300060.

The product of its (nonzero) digits is 18, while the sum is 15.

Subtracting from 20010910101 its reverse (10101901002), we obtain a palindrome (9909009099).

The spelling of 20010910101 in words is "twenty billion, ten million, nine hundred ten thousand, one hundred one".