19800735422 has 16 divisors (see below), whose sum is σ = 31993962000. Its totient is φ = 9136469952.

The previous prime is 19800735413. The next prime is 19800735433. The reversal of 19800735422 is 22453700891.

It is a self number, because there is not a number n which added to its sum of digits gives 19800735422.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8954 + ... + 199202.

It is an arithmetic number, because the mean of its divisors is an integer number (1999622625).

Almost surely, 2^19800735422 is an apocalyptic number.

19800735422 is a deficient number, since it is larger than the sum of its proper divisors (12193226578).

19800735422 is a wasteful number, since it uses less digits than its factorization.

19800735422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194267.

The product of its (nonzero) digits is 120960, while the sum is 41.

The spelling of 19800735422 in words is "nineteen billion, eight hundred million, seven hundred thirty-five thousand, four hundred twenty-two".