20477617201 has 8 divisors (see below), whose sum is σ = 21018412800. Its totient is φ = 19941200928.

The previous prime is 20477617183. The next prime is 20477617211. The reversal of 20477617201 is 10271677402.

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 20477617201 - 2⁵ = 20477617169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20477617211) 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, 1085356 + ... + 1104061.

It is an arithmetic number, because the mean of its divisors is an integer number (2627301600).

Almost surely, 2^20477617201 is an apocalyptic number.

It is an amenable number.

20477617201 is a deficient number, since it is larger than the sum of its proper divisors (540795599).

20477617201 is a wasteful number, since it uses less digits than its factorization.

20477617201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2189663.

The product of its (nonzero) digits is 32928, while the sum is 37.

The spelling of 20477617201 in words is "twenty billion, four hundred seventy-seven million, six hundred seventeen thousand, two hundred one".