200120001022 has 16 divisors (see below), whose sum is σ = 318033088560. Its totient is φ = 94116210048.

The previous prime is 200120001013. The next prime is 200120001023. The reversal of 200120001022 is 220100021002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200120001023) 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, 1753497 + ... + 1864132.

It is an arithmetic number, because the mean of its divisors is an integer number (19877068035).

Almost surely, 2^200120001022 is an apocalyptic number.

200120001022 is a deficient number, since it is larger than the sum of its proper divisors (117913087538).

200120001022 is a wasteful number, since it uses less digits than its factorization.

200120001022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3619275.

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 200120001022 its reverse (220100021002), we get a palindrome (420220022024).

The spelling of 200120001022 in words is "two hundred billion, one hundred twenty million, one thousand, twenty-two".