20101020230310 has 16 divisors (see below), whose sum is σ = 48242448552816. Its totient is φ = 5360272061408.

The previous prime is 20101020230309. The next prime is 20101020230321. The reversal of 20101020230310 is 1303202010102.

It is a super-2 number, since 2×20101020230310² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 20101020230310.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 335017003809 + ... + 335017003868.

It is an arithmetic number, because the mean of its divisors is an integer number (3015153034551).

Almost surely, 2^{20101020230310} is an apocalyptic number.

20101020230310 is an abundant number, since it is smaller than the sum of its proper divisors (28141428322506).

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

20101020230310 is a wasteful number, since it uses less digits than its factorization.

20101020230310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 670034007687.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 20101020230310 its reverse (1303202010102), we get a palindrome (21404222240412).

The spelling of 20101020230310 in words is "twenty trillion, one hundred one billion, twenty million, two hundred thirty thousand, three hundred ten".