10020000020002 has 32 divisors (see below), whose sum is σ = 17235388894464. Its totient is φ = 4279729056000.

The previous prime is 10020000019993. The next prime is 10020000020029. The reversal of 10020000020002 is 20002000002001.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (7).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25059198 + ... + 25455910.

It is an arithmetic number, because the mean of its divisors is an integer number (538605902952).

Almost surely, 2^{10020000020002} is an apocalyptic number.

10020000020002 is a deficient number, since it is larger than the sum of its proper divisors (7215388874462).

10020000020002 is a wasteful number, since it uses less digits than its factorization.

10020000020002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 402834.

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

Adding to 10020000020002 its reverse (20002000002001), we get a palindrome (30022000022003).

The spelling of 10020000020002 in words is "ten trillion, twenty billion, twenty thousand, two".