19200220022021 has 8 divisors (see below), whose sum is σ = 19273743339840. Its totient is φ = 19126700634112.

The previous prime is 19200220021991. The next prime is 19200220022029. The reversal of 19200220022021 is 12022002200291.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 19200220022021 - 2²⁶ = 19200152913157 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19200220022029) 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, 9001406 + ... + 10928208.

It is an arithmetic number, because the mean of its divisors is an integer number (2409217917480).

Almost surely, 2^{19200220022021} is an apocalyptic number.

It is an amenable number.

19200220022021 is a deficient number, since it is larger than the sum of its proper divisors (73523317819).

19200220022021 is a wasteful number, since it uses less digits than its factorization.

19200220022021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1964955.

The product of its (nonzero) digits is 576, while the sum is 23.

The spelling of 19200220022021 in words is "nineteen trillion, two hundred billion, two hundred twenty million, twenty-two thousand, twenty-one".