20104132677 has 8 divisors (see below), whose sum is σ = 26820984864. Its totient is φ = 13395017808.

The previous prime is 20104132597. The next prime is 20104132687. The reversal of 20104132677 is 77623140102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20104132677 - 2⁷ = 20104132549 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20104132687) 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, 1928263 + ... + 1938660.

It is an arithmetic number, because the mean of its divisors is an integer number (3352623108).

Almost surely, 2^20104132677 is an apocalyptic number.

It is an amenable number.

20104132677 is a deficient number, since it is larger than the sum of its proper divisors (6716852187).

20104132677 is a wasteful number, since it uses less digits than its factorization.

20104132677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3868659.

The product of its (nonzero) digits is 14112, while the sum is 33.

Adding to 20104132677 its reverse (77623140102), we get a palindrome (97727272779).

The spelling of 20104132677 in words is "twenty billion, one hundred four million, one hundred thirty-two thousand, six hundred seventy-seven".