20292871652 has 6 divisors (see below), whose sum is σ = 35512525398. Its totient is φ = 10146435824.

The previous prime is 20292871637. The next prime is 20292871673. The reversal of 20292871652 is 25617829202.

It can be written as a sum of positive squares in only one way, i.e., 20285165476 + 7706176 = 142426^2 + 2776^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2536608953 + ... + 2536608960.

It is an arithmetic number, because the mean of its divisors is an integer number (5918754233).

Almost surely, 2^20292871652 is an apocalyptic number.

It is an amenable number.

20292871652 is a deficient number, since it is larger than the sum of its proper divisors (15219653746).

20292871652 is a wasteful number, since it uses less digits than its factorization.

20292871652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5073217917 (or 5073217915 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 44.

The spelling of 20292871652 in words is "twenty billion, two hundred ninety-two million, eight hundred seventy-one thousand, six hundred fifty-two".