19920801 has 8 divisors (see below), whose sum is σ = 26676000. Its totient is φ = 13223072.

The previous prime is 19920799. The next prime is 19920827. The reversal of 19920801 is 10802991.

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 19920801 - 2¹ = 19920799 is a prime.

It is not an unprimeable number, because it can be changed into a prime (19920851) 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, 13551 + ... + 14948.

It is an arithmetic number, because the mean of its divisors is an integer number (3334500).

Almost surely, 2^19920801 is an apocalyptic number.

It is an amenable number.

19920801 is a deficient number, since it is larger than the sum of its proper divisors (6755199).

19920801 is a wasteful number, since it uses less digits than its factorization.

19920801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28735.

The product of its (nonzero) digits is 1296, while the sum is 30.

The square root of 19920801 is about 4463.2724541529. The cubic root of 19920801 is about 271.0829890667.

The spelling of 19920801 in words is "nineteen million, nine hundred twenty thousand, eight hundred one".