20803992201 has 12 divisors (see below), whose sum is σ = 30133920960. Its totient is φ = 13830692760.

The previous prime is 20803992193. The next prime is 20803992211. The reversal of 20803992201 is 10229930802.

It is not a de Polignac number, because 20803992201 - 2³ = 20803992193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20803992211) 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, 3216205 + ... + 3222666.

It is an arithmetic number, because the mean of its divisors is an integer number (2511160080).

Almost surely, 2^20803992201 is an apocalyptic number.

It is an amenable number.

20803992201 is a deficient number, since it is larger than the sum of its proper divisors (9329928759).

20803992201 is a wasteful number, since it uses less digits than its factorization.

20803992201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6439236 (or 6439233 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The spelling of 20803992201 in words is "twenty billion, eight hundred three million, nine hundred ninety-two thousand, two hundred one".