20113213203110 has 32 divisors (see below), whose sum is σ = 37886107492800. Its totient is φ = 7673440123008.

The previous prime is 20113213203091. The next prime is 20113213203121. The reversal of 20113213203110 is 1130231231102.

It is a happy number.

It is a super-2 number, since 2×20113213203110² (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 15 ways as a sum of consecutive naturals, for example, 125204477 + ... + 125365016.

It is an arithmetic number, because the mean of its divisors is an integer number (1183940859150).

Almost surely, 2^{20113213203110} is an apocalyptic number.

20113213203110 is a deficient number, since it is larger than the sum of its proper divisors (17772894289690).

20113213203110 is a wasteful number, since it uses less digits than its factorization.

20113213203110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250569872.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 20113213203110 its reverse (1130231231102), we get a palindrome (21243444434212).

The spelling of 20113213203110 in words is "twenty trillion, one hundred thirteen billion, two hundred thirteen million, two hundred three thousand, one hundred ten".