20653949327 has 8 divisors (see below), whose sum is σ = 22543710672. Its totient is φ = 18766209600.

The previous prime is 20653949311. The next prime is 20653949353. The reversal of 20653949327 is 72394935602.

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 20653949327 - 2⁴ = 20653949311 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20653949227) 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, 483998 + ... + 524939.

It is an arithmetic number, because the mean of its divisors is an integer number (2817963834).

Almost surely, 2^20653949327 is an apocalyptic number.

20653949327 is a deficient number, since it is larger than the sum of its proper divisors (1889761345).

20653949327 is a wasteful number, since it uses less digits than its factorization.

20653949327 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1010809.

The product of its (nonzero) digits is 2449440, while the sum is 50.

The spelling of 20653949327 in words is "twenty billion, six hundred fifty-three million, nine hundred forty-nine thousand, three hundred twenty-seven".