1020201020002 has 8 divisors (see below), whose sum is σ = 1620319267116. Its totient is φ = 480094597632.

The previous prime is 1020201019979. The next prime is 1020201020011. The reversal of 1020201020002 is 2000201020201.

It can be written as a sum of positive squares in 2 ways, for example, as 1011189125241 + 9011894761 = 1005579^2 + 94931^2 .

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, 15002956143 + ... + 15002956210.

Almost surely, 2^{1020201020002} is an apocalyptic number.

1020201020002 is a deficient number, since it is larger than the sum of its proper divisors (600118247114).

1020201020002 is a wasteful number, since it uses less digits than its factorization.

1020201020002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30005912372.

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 1020201020002 its reverse (2000201020201), we get a palindrome (3020402040203).

The spelling of 1020201020002 in words is "one trillion, twenty billion, two hundred one million, twenty thousand, two".