20002820002 has 24 divisors (see below), whose sum is σ = 33520534236. Its totient is φ = 8943132000.

The previous prime is 20002819999. The next prime is 20002820039.

20002820002 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 2 ways, for example, as 13342791121 + 6660028881 = 115511^2 + 81609^2 .

It is a super-2 number, since 2×20002820002² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 662749 + ... + 692272.

Almost surely, 2^20002820002 is an apocalyptic number.

20002820002 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20002820002 is a deficient number, since it is larger than the sum of its proper divisors (13517714234).

20002820002 is a wasteful number, since it uses less digits than its factorization.

20002820002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1355106 (or 1355095 counting only the distinct ones).

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

The spelling of 20002820002 in words is "twenty billion, two million, eight hundred twenty thousand, two".