20850647127 has 16 divisors (see below), whose sum is σ = 28075559040. Its totient is φ = 13763221472.

The previous prime is 20850647093. The next prime is 20850647131. The reversal of 20850647127 is 72174605802.

It is a cyclic number.

It is not a de Polignac number, because 20850647127 - 2¹⁸ = 20850384983 is a prime.

It is a super-2 number, since 2×20850647127² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20850647227) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 626749 + ... + 659177.

It is an arithmetic number, because the mean of its divisors is an integer number (1754722440).

Almost surely, 2^20850647127 is an apocalyptic number.

20850647127 is a deficient number, since it is larger than the sum of its proper divisors (7224911913).

20850647127 is a wasteful number, since it uses less digits than its factorization.

20850647127 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34542.

The product of its (nonzero) digits is 188160, while the sum is 42.

The spelling of 20850647127 in words is "twenty billion, eight hundred fifty million, six hundred forty-seven thousand, one hundred twenty-seven".