20201011202222 has 4 divisors (see below), whose sum is σ = 30301516803336. Its totient is φ = 10100505601110.

The previous prime is 20201011202179. The next prime is 20201011202237. The reversal of 20201011202222 is 22220211010202.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 20201011202222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5050252800554 + ... + 5050252800557.

It is an arithmetic number, because the mean of its divisors is an integer number (7575379200834).

Almost surely, 2^{20201011202222} is an apocalyptic number.

20201011202222 is a deficient number, since it is larger than the sum of its proper divisors (10100505601114).

20201011202222 is a wasteful number, since it uses less digits than its factorization.

20201011202222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10100505601113.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 20201011202222 its reverse (22220211010202), we get a palindrome (42421222212424).

The spelling of 20201011202222 in words is "twenty trillion, two hundred one billion, eleven million, two hundred two thousand, two hundred twenty-two".