20020802002 has 8 divisors (see below), whose sum is σ = 30031845516. Its totient is φ = 10010186832.

The previous prime is 20020801991. The next prime is 20020802059.

20020802002 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 2 ways, for example, as 19441003761 + 579798241 = 139431^2 + 24079^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65208 + ... + 210460.

Almost surely, 2^20020802002 is an apocalyptic number.

20020802002 is a deficient number, since it is larger than the sum of its proper divisors (10011043514).

20020802002 is a wasteful number, since it uses less digits than its factorization.

20020802002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214172.

The product of its (nonzero) digits is 128, while the sum is 16.

The spelling of 20020802002 in words is "twenty billion, twenty million, eight hundred two thousand, two".