20010651671012 has 6 divisors (see below), whose sum is σ = 35018640424278. Its totient is φ = 10005325835504.

The previous prime is 20010651670973. The next prime is 20010651671033. The reversal of 20010651671012 is 21017615601002.

It can be written as a sum of positive squares in only one way, i.e., 13237197783616 + 6773453887396 = 3638296^2 + 2602586^2 .

It is a super-2 number, since 2×20010651671012² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20010651671012.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2501331458873 + ... + 2501331458880.

It is an arithmetic number, because the mean of its divisors is an integer number (5836440070713).

Almost surely, 2^{20010651671012} is an apocalyptic number.

It is an amenable number.

20010651671012 is a deficient number, since it is larger than the sum of its proper divisors (15007988753266).

20010651671012 is a wasteful number, since it uses less digits than its factorization.

20010651671012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5002662917757 (or 5002662917755 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 32.

The spelling of 20010651671012 in words is "twenty trillion, ten billion, six hundred fifty-one million, six hundred seventy-one thousand, twelve".