2020001000002 has 4 divisors (see below), whose sum is σ = 3030001500006. Its totient is φ = 1010000500000.

The previous prime is 2020000999987. The next prime is 2020001000009. The reversal of 2020001000002 is 2000001000202.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1390090518441 + 629910481561 = 1179021^2 + 793669^2 .

It is not an unprimeable number, because it can be changed into a prime (2020001000009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505000249999 + ... + 505000250002.

Almost surely, 2^{2020001000002} is an apocalyptic number.

2020001000002 is a deficient number, since it is larger than the sum of its proper divisors (1010000500004).

2020001000002 is a wasteful number, since it uses less digits than its factorization.

2020001000002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1010000500003.

The product of its (nonzero) digits is 8, while the sum is 7.

Adding to 2020001000002 its reverse (2000001000202), we get a palindrome (4020002000204).

The spelling of 2020001000002 in words is "two trillion, twenty billion, one million, two", and thus it is an aban number and an uban number.