20101311323202 has 32 divisors (see below), whose sum is σ = 40379531616000. Its totient is φ = 6670964359808.

The previous prime is 20101311323201. The next prime is 20101311323237. The reversal of 20101311323202 is 20232311310102.

It is a super-3 number, since 3×20101311323202³ (a number of 41 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (20101311323201) 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 15 ways as a sum of consecutive naturals, for example, 5159068 + ... + 8174264.

It is an arithmetic number, because the mean of its divisors is an integer number (1261860363000).

Almost surely, 2^{20101311323202} is an apocalyptic number.

20101311323202 is an abundant number, since it is smaller than the sum of its proper divisors (20278220292798).

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

20101311323202 is a wasteful number, since it uses less digits than its factorization.

20101311323202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3020090.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 20101311323202 its reverse (20232311310102), we get a palindrome (40333622633304).

It can be divided in two parts, 2010131 and 1323202, that added together give a palindrome (3333333).

The spelling of 20101311323202 in words is "twenty trillion, one hundred one billion, three hundred eleven million, three hundred twenty-three thousand, two hundred two".