20006256045 has 8 divisors (see below), whose sum is σ = 32010009696. Its totient is φ = 10670003216.

The previous prime is 20006256019. The next prime is 20006256059. The reversal of 20006256045 is 54065260002.

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 20006256045 - 2¹⁰ = 20006255021 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 666875187 + ... + 666875216.

It is an arithmetic number, because the mean of its divisors is an integer number (4001251212).

Almost surely, 2^20006256045 is an apocalyptic number.

It is an amenable number.

20006256045 is a deficient number, since it is larger than the sum of its proper divisors (12003753651).

20006256045 is a wasteful number, since it uses less digits than its factorization.

20006256045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1333750411.

The product of its (nonzero) digits is 14400, while the sum is 30.

The spelling of 20006256045 in words is "twenty billion, six million, two hundred fifty-six thousand, forty-five".