20011020211022 has 8 divisors (see below), whose sum is σ = 30016618043400. Its totient is φ = 10005480863224.

The previous prime is 20011020210989. The next prime is 20011020211027. The reversal of 20011020211022 is 22011202011002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 20011020210988 and 20011020211006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20011020211027) 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, 13755497 + ... + 15140532.

It is an arithmetic number, because the mean of its divisors is an integer number (3752077255425).

Almost surely, 2^{20011020211022} is an apocalyptic number.

20011020211022 is a deficient number, since it is larger than the sum of its proper divisors (10005597832378).

20011020211022 is a wasteful number, since it uses less digits than its factorization.

20011020211022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29242290.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 20011020211022 its reverse (22011202011002), we get a palindrome (42022222222024).

The spelling of 20011020211022 in words is "twenty trillion, eleven billion, twenty million, two hundred eleven thousand, twenty-two".