20051143012 has 6 divisors (see below), whose sum is σ = 35089500278. Its totient is φ = 10025571504.

The previous prime is 20051143003. The next prime is 20051143027. The reversal of 20051143012 is 21034115002.

It can be written as a sum of positive squares in only one way, i.e., 13074550336 + 6976592676 = 114344^2 + 83526^2 .

It is a super-3 number, since 3×20051143012³ (a number of 32 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2506392873 + ... + 2506392880.

Almost surely, 2^20051143012 is an apocalyptic number.

It is an amenable number.

20051143012 is a deficient number, since it is larger than the sum of its proper divisors (15038357266).

20051143012 is a wasteful number, since it uses less digits than its factorization.

20051143012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5012785757 (or 5012785755 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 19.

Adding to 20051143012 its reverse (21034115002), we get a palindrome (41085258014).

The spelling of 20051143012 in words is "twenty billion, fifty-one million, one hundred forty-three thousand, twelve".