20048489697 has 8 divisors (see below), whose sum is σ = 26732048544. Its totient is φ = 13365295328.

The previous prime is 20048489689. The next prime is 20048489753. The reversal of 20048489697 is 79698484002.

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 20048489697 - 2³ = 20048489689 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20048489687) 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, 86938 + ... + 218300.

It is an arithmetic number, because the mean of its divisors is an integer number (3341506068).

Almost surely, 2^20048489697 is an apocalyptic number.

It is an amenable number.

20048489697 is a deficient number, since it is larger than the sum of its proper divisors (6683558847).

20048489697 is a wasteful number, since it uses less digits than its factorization.

20048489697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182239.

The product of its (nonzero) digits is 6967296, while the sum is 57.

The spelling of 20048489697 in words is "twenty billion, forty-eight million, four hundred eighty-nine thousand, six hundred ninety-seven".