200420023210122 has 64 divisors (see below), whose sum is σ = 421557920798976. Its totient is φ = 63401342484480.

The previous prime is 200420023210111. The next prime is 200420023210139. The reversal of 200420023210122 is 221012320024002.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2055703 + ... + 20126250.

It is an arithmetic number, because the mean of its divisors is an integer number (6586842512484).

Almost surely, 2^{200420023210122} is an apocalyptic number.

200420023210122 is an abundant number, since it is smaller than the sum of its proper divisors (221137897588854).

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

200420023210122 is a wasteful number, since it uses less digits than its factorization.

200420023210122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22182495.

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 200420023210122 its reverse (221012320024002), we get a palindrome (421432343234124).

The spelling of 200420023210122 in words is "two hundred trillion, four hundred twenty billion, twenty-three million, two hundred ten thousand, one hundred twenty-two".