20009441537 has 8 divisors (see below), whose sum is σ = 20953728000. Its totient is φ = 19071347680.

The previous prime is 20009441521. The next prime is 20009441539. The reversal of 20009441537 is 73514490002.

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 20009441537 - 2⁴ = 20009441521 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20009441497 and 20009441506.

It is not an unprimeable number, because it can be changed into a prime (20009441539) 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, 1541537 + ... + 1554462.

It is an arithmetic number, because the mean of its divisors is an integer number (2619216000).

Almost surely, 2^20009441537 is an apocalyptic number.

It is an amenable number.

20009441537 is a deficient number, since it is larger than the sum of its proper divisors (944286463).

20009441537 is a wasteful number, since it uses less digits than its factorization.

20009441537 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3096303.

The product of its (nonzero) digits is 30240, while the sum is 35.

The spelling of 20009441537 in words is "twenty billion, nine million, four hundred forty-one thousand, five hundred thirty-seven".