20010222212198 has 4 divisors (see below), whose sum is σ = 30015333318300. Its totient is φ = 10005111106098.

The previous prime is 20010222212153. The next prime is 20010222212209. The reversal of 20010222212198 is 89121222201002.

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

It is a Curzon number.

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, 5002555553048 + ... + 5002555553051.

It is an arithmetic number, because the mean of its divisors is an integer number (7503833329575).

Almost surely, 2^{20010222212198} is an apocalyptic number.

20010222212198 is a deficient number, since it is larger than the sum of its proper divisors (10005111106102).

20010222212198 is a wasteful number, since it uses less digits than its factorization.

20010222212198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10005111106101.

The product of its (nonzero) digits is 4608, while the sum is 32.

The spelling of 20010222212198 in words is "twenty trillion, ten billion, two hundred twenty-two million, two hundred twelve thousand, one hundred ninety-eight".