1020201002002 has 64 divisors (see below), whose sum is σ = 1948962355200. Its totient is φ = 389620938240.

The previous prime is 1020201001951. The next prime is 1020201002003. The reversal of 1020201002002 is 2002001020201.

1020201002002 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 1020201002002.

It is not an unprimeable number, because it can be changed into a prime (1020201002003) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2086524 + ... + 2528632.

It is an arithmetic number, because the mean of its divisors is an integer number (30452536800).

Almost surely, 2^{1020201002002} is an apocalyptic number.

1020201002002 is a deficient number, since it is larger than the sum of its proper divisors (928761353198).

1020201002002 is a wasteful number, since it uses less digits than its factorization.

1020201002002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 442571.

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

Adding to 1020201002002 its reverse (2002001020201), we get a palindrome (3022202022203).

The spelling of 1020201002002 in words is "one trillion, twenty billion, two hundred one million, two thousand, two".