20213101013 has 16 divisors (see below), whose sum is σ = 23825816064. Its totient is φ = 16788969600.

The previous prime is 20213101009. The next prime is 20213101021. The reversal of 20213101013 is 31010131202.

It is a cyclic number.

It is not a de Polignac number, because 20213101013 - 2² = 20213101009 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20213101003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 270920 + ... + 337377.

It is an arithmetic number, because the mean of its divisors is an integer number (1489113504).

Almost surely, 2^20213101013 is an apocalyptic number.

It is an amenable number.

20213101013 is a deficient number, since it is larger than the sum of its proper divisors (3612715051).

20213101013 is a wasteful number, since it uses less digits than its factorization.

20213101013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 608452.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 20213101013 its reverse (31010131202), we get a palindrome (51223232215).

The spelling of 20213101013 in words is "twenty billion, two hundred thirteen million, one hundred one thousand, thirteen".