20288973001 has 16 divisors (see below), whose sum is σ = 22574416320. Its totient is φ = 18080133120.

The previous prime is 20288972999. The next prime is 20288973043. The reversal of 20288973001 is 10037988202.

It is a cyclic number.

It is not a de Polignac number, because 20288973001 - 2¹ = 20288972999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20288973071) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53385 + ... + 208393.

It is an arithmetic number, because the mean of its divisors is an integer number (1410901020).

Almost surely, 2^20288973001 is an apocalyptic number.

It is an amenable number.

20288973001 is a deficient number, since it is larger than the sum of its proper divisors (2285443319).

20288973001 is a wasteful number, since it uses less digits than its factorization.

20288973001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155256.

The product of its (nonzero) digits is 48384, while the sum is 40.

The spelling of 20288973001 in words is "twenty billion, two hundred eighty-eight million, nine hundred seventy-three thousand, one".