20026563002 has 16 divisors (see below), whose sum is σ = 31383390600. Its totient is φ = 9572270400.

The previous prime is 20026563001. The next prime is 20026563019. The reversal of 20026563002 is 20036562002.

It can be written as a sum of positive squares in 4 ways, for example, as 19301822761 + 724740241 = 138931^2 + 26921^2 .

It is not an unprimeable number, because it can be changed into a prime (20026563001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1703477 + ... + 1715192.

Almost surely, 2^20026563002 is an apocalyptic number.

20026563002 is a deficient number, since it is larger than the sum of its proper divisors (11356827598).

20026563002 is a wasteful number, since it uses less digits than its factorization.

20026563002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3418801.

The product of its (nonzero) digits is 4320, while the sum is 26.

The spelling of 20026563002 in words is "twenty billion, twenty-six million, five hundred sixty-three thousand, two".