200021431340422 has 32 divisors (see below), whose sum is σ = 307369493763552. Its totient is φ = 97586033336064.

The previous prime is 200021431340399. The next prime is 200021431340477. The reversal of 200021431340422 is 224043134120002.

It is a super-2 number, since 2×200021431340422² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49574538 + ... + 53457250.

It is an arithmetic number, because the mean of its divisors is an integer number (9605296680111).

Almost surely, 2^{200021431340422} is an apocalyptic number.

200021431340422 is a deficient number, since it is larger than the sum of its proper divisors (107348062423130).

200021431340422 is a wasteful number, since it uses less digits than its factorization.

200021431340422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3885432.

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 200021431340422 its reverse (224043134120002), we get a palindrome (424064565460424).

The spelling of 200021431340422 in words is "two hundred trillion, twenty-one billion, four hundred thirty-one million, three hundred forty thousand, four hundred twenty-two".