20420212222113 has 16 divisors (see below), whose sum is σ = 29722912190400. Its totient is φ = 12367225644480.

The previous prime is 20420212222103. The next prime is 20420212222121. The reversal of 20420212222113 is 31122221202402.

It is not a de Polignac number, because 20420212222113 - 2⁹ = 20420212221601 is a prime.

It is a super-2 number, since 2×20420212222113² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20420212222103) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 216465898 + ... + 216560211.

It is an arithmetic number, because the mean of its divisors is an integer number (1857682011900).

Almost surely, 2^{20420212222113} is an apocalyptic number.

It is an amenable number.

20420212222113 is a deficient number, since it is larger than the sum of its proper divisors (9302699968287).

20420212222113 is a wasteful number, since it uses less digits than its factorization.

20420212222113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 433027552.

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 20420212222113 its reverse (31122221202402), we get a palindrome (51542433424515).

The spelling of 20420212222113 in words is "twenty trillion, four hundred twenty billion, two hundred twelve million, two hundred twenty-two thousand, one hundred thirteen".