10020423311312 has 20 divisors (see below), whose sum is σ = 19469568958980. Its totient is φ = 4996018418688.

The previous prime is 10020423311291. The next prime is 10020423311357. The reversal of 10020423311312 is 21311332402001.

It can be written as a sum of positive squares in 2 ways, for example, as 5014536147856 + 5005887163456 = 2239316^2 + 2237384^2 .

It is a super-2 number, since 2×10020423311312² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 887071487 + ... + 887082782.

It is an arithmetic number, because the mean of its divisors is an integer number (973478447949).

Almost surely, 2^{10020423311312} is an apocalyptic number.

It is an amenable number.

10020423311312 is a deficient number, since it is larger than the sum of its proper divisors (9449145647668).

10020423311312 is a wasteful number, since it uses less digits than its factorization.

10020423311312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1774154630 (or 1774154624 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 10020423311312 its reverse (21311332402001), we get a palindrome (31331755713313).

The spelling of 10020423311312 in words is "ten trillion, twenty billion, four hundred twenty-three million, three hundred eleven thousand, three hundred twelve".