20101302631722 has 96 divisors (see below), whose sum is σ = 44817031425600. Its totient is φ = 5974555272192.

The previous prime is 20101302631721. The next prime is 20101302631723. The reversal of 20101302631722 is 22713620310102.

It is an interprime number because it is at equal distance from previous prime (20101302631721) and next prime (20101302631723).

It is a self number, because there is not a number n which added to its sum of digits gives 20101302631722.

It is not an unprimeable number, because it can be changed into a prime (20101302631721) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 14165554 + ... + 15519842.

It is an arithmetic number, because the mean of its divisors is an integer number (466844077350).

Almost surely, 2^{20101302631722} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20101302631722, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22408515712800).

20101302631722 is an abundant number, since it is smaller than the sum of its proper divisors (24715728793878).

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

20101302631722 is a wasteful number, since it uses less digits than its factorization.

20101302631722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1354520 (or 1354483 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 30.

Adding to 20101302631722 its reverse (22713620310102), we get a palindrome (42814922941824).

The spelling of 20101302631722 in words is "twenty trillion, one hundred one billion, three hundred two million, six hundred thirty-one thousand, seven hundred twenty-two".