20727131134 has 8 divisors (see below), whose sum is σ = 31112766720. Its totient is φ = 10356208896.

The previous prime is 20727131129. The next prime is 20727131137. The reversal of 20727131134 is 43113172702.

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

It is a super-2 number, since 2×20727131134² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20727131096 and 20727131105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20727131137) 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, 3674814 + ... + 3680449.

It is an arithmetic number, because the mean of its divisors is an integer number (3889095840).

Almost surely, 2^20727131134 is an apocalyptic number.

20727131134 is a deficient number, since it is larger than the sum of its proper divisors (10385635586).

20727131134 is a wasteful number, since it uses less digits than its factorization.

20727131134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7356674.

The product of its (nonzero) digits is 7056, while the sum is 31.

The spelling of 20727131134 in words is "twenty billion, seven hundred twenty-seven million, one hundred thirty-one thousand, one hundred thirty-four".