20033473489 has 16 divisors (see below), whose sum is σ = 21610689408. Its totient is φ = 18502716672.

The previous prime is 20033473393. The next prime is 20033473531. The reversal of 20033473489 is 98437433002.

It is a cyclic number.

It is not a de Polignac number, because 20033473489 - 2¹¹ = 20033471441 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20033443489) 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, 266119 + ... + 332995.

It is an arithmetic number, because the mean of its divisors is an integer number (1350668088).

Almost surely, 2^20033473489 is an apocalyptic number.

It is an amenable number.

20033473489 is a deficient number, since it is larger than the sum of its proper divisors (1577215919).

20033473489 is a wasteful number, since it uses less digits than its factorization.

20033473489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67224.

The product of its (nonzero) digits is 435456, while the sum is 43.

The spelling of 20033473489 in words is "twenty billion, thirty-three million, four hundred seventy-three thousand, four hundred eighty-nine".