20011200222 has 16 divisors (see below), whose sum is σ = 43101046800. Its totient is φ = 6157292352.

The previous prime is 20011200217. The next prime is 20011200227. The reversal of 20011200222 is 22200211002.

It is an interprime number because it is at equal distance from previous prime (20011200217) and next prime (20011200227).

It is a junction number, because it is equal to n+sod(n) for n = 20011200198 and 20011200207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20011200227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 128276847 + ... + 128277002.

It is an arithmetic number, because the mean of its divisors is an integer number (2693815425).

Almost surely, 2^20011200222 is an apocalyptic number.

20011200222 is an abundant number, since it is smaller than the sum of its proper divisors (23089846578).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20011200222 is a wasteful number, since it uses less digits than its factorization.

20011200222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256553867.

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 20011200222 its reverse (22200211002), we get a palindrome (42211411224).

The spelling of 20011200222 in words is "twenty billion, eleven million, two hundred thousand, two hundred twenty-two".