20011002020222 has 8 divisors (see below), whose sum is σ = 30018172801296. Its totient is φ = 10004944419792.

The previous prime is 20011002020213. The next prime is 20011002020263. The reversal of 20011002020222 is 22202020011002.

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 = 20011002020197 and 20011002020206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 278250218 + ... + 278322125.

It is an arithmetic number, because the mean of its divisors is an integer number (3752271600162).

Almost surely, 2^{20011002020222} is an apocalyptic number.

20011002020222 is a deficient number, since it is larger than the sum of its proper divisors (10007170781074).

20011002020222 is a wasteful number, since it uses less digits than its factorization.

20011002020222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 556590322.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 20011002020222 its reverse (22202020011002), we get a palindrome (42213022031224).

The spelling of 20011002020222 in words is "twenty trillion, eleven billion, two million, twenty thousand, two hundred twenty-two".