20734827127 has 4 divisors (see below), whose sum is σ = 23696945296. Its totient is φ = 17772708960.

The previous prime is 20734827101. The next prime is 20734827133. The reversal of 20734827127 is 72172843702.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20734827127 - 2⁷ = 20734826999 is a prime.

It is a super-3 number, since 3×20734827127³ (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20734827187) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1481059074 + ... + 1481059087.

It is an arithmetic number, because the mean of its divisors is an integer number (5924236324).

Almost surely, 2^20734827127 is an apocalyptic number.

20734827127 is a deficient number, since it is larger than the sum of its proper divisors (2962118169).

20734827127 is an equidigital number, since it uses as much as digits as its factorization.

20734827127 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2962118168.

The product of its (nonzero) digits is 263424, while the sum is 43.

The spelling of 20734827127 in words is "twenty billion, seven hundred thirty-four million, eight hundred twenty-seven thousand, one hundred twenty-seven".