20021200414434 has 24 divisors (see below), whose sum is σ = 43379455691520. Its totient is φ = 6673704528888.

The previous prime is 20021200414433. The next prime is 20021200414441. The reversal of 20021200414434 is 43441400212002.

20021200414434 is a `hidden beast` number, since 2 + 0 + 0 + 2 + 1 + 200 + 414 + 43 + 4 = 666.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 20021200414398 and 20021200414407.

It is not an unprimeable number, because it can be changed into a prime (20021200414433) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2080047 + ... + 6661005.

It is an arithmetic number, because the mean of its divisors is an integer number (1807477320480).

Almost surely, 2^{20021200414434} is an apocalyptic number.

20021200414434 is an abundant number, since it is smaller than the sum of its proper divisors (23358255277086).

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

20021200414434 is a wasteful number, since it uses less digits than its factorization.

20021200414434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4823774 (or 4823771 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

Adding to 20021200414434 its reverse (43441400212002), we get a palindrome (63462600626436).

The spelling of 20021200414434 in words is "twenty trillion, twenty-one billion, two hundred million, four hundred fourteen thousand, four hundred thirty-four".