20312003033002 has 16 divisors (see below), whose sum is σ = 32054670578952. Its totient is φ = 9640502426880.

The previous prime is 20312003032967. The next prime is 20312003033017. The reversal of 20312003033002 is 20033030021302.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 16829677555201 + 3482325477801 = 4102399^2 + 1866099^2 .

It is a super-2 number, since 2×20312003033002² (a number of 27 digits) contains 22 as substring.

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, 3347393643 + ... + 3347399710.

Almost surely, 2^{20312003033002} is an apocalyptic number.

20312003033002 is a deficient number, since it is larger than the sum of its proper divisors (11742667545950).

20312003033002 is a wasteful number, since it uses less digits than its factorization.

20312003033002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6694793433.

The product of its (nonzero) digits is 648, while the sum is 19.

Adding to 20312003033002 its reverse (20033030021302), we get a palindrome (40345033054304).

The spelling of 20312003033002 in words is "twenty trillion, three hundred twelve billion, three million, thirty-three thousand, two".