20100222010013 has 4 divisors (see below), whose sum is σ = 21282588010620. Its totient is φ = 18917856009408.

The previous prime is 20100222010003. The next prime is 20100222010049. The reversal of 20100222010013 is 31001022200102.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 7154351756644 + 12945870253369 = 2674762^2 + 3598037^2 .

It is a cyclic number.

It is not a de Polignac number, because 20100222010013 - 2¹² = 20100222005917 is a prime.

It is a super-2 number, since 2×20100222010013² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20100222010013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20100222010003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 591183000278 + ... + 591183000311.

It is an arithmetic number, because the mean of its divisors is an integer number (5320647002655).

Almost surely, 2^{20100222010013} is an apocalyptic number.

It is an amenable number.

20100222010013 is a deficient number, since it is larger than the sum of its proper divisors (1182366000607).

20100222010013 is a wasteful number, since it uses less digits than its factorization.

20100222010013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1182366000606.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 20100222010013 its reverse (31001022200102), we get a palindrome (51101244210115).

The spelling of 20100222010013 in words is "twenty trillion, one hundred billion, two hundred twenty-two million, ten thousand, thirteen".