20000320131002 has 16 divisors (see below), whose sum is σ = 30732331054824. Its totient is φ = 9756211872000.

The previous prime is 20000320130981. The next prime is 20000320131089. The reversal of 20000320131002 is 20013102300002.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 14312004500641 + 5688315630361 = 3783121^2 + 2385019^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28403102 + ... + 29098742.

Almost surely, 2^{20000320131002} is an apocalyptic number.

20000320131002 is a deficient number, since it is larger than the sum of its proper divisors (10732010923822).

20000320131002 is a wasteful number, since it uses less digits than its factorization.

20000320131002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1046305.

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 20000320131002 its reverse (20013102300002), we get a palindrome (40013422431004).

The spelling of 20000320131002 in words is "twenty trillion, three hundred twenty million, one hundred thirty-one thousand, two".