2001020220202 has 16 divisors (see below), whose sum is σ = 3025912753152. Its totient is φ = 992386533600.

The previous prime is 2001020220179. The next prime is 2001020220217. The reversal of 2001020220202 is 2020220201002.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56598 + ... + 2001310.

It is an arithmetic number, because the mean of its divisors is an integer number (189119547072).

Almost surely, 2^{2001020220202} is an apocalyptic number.

2001020220202 is a deficient number, since it is larger than the sum of its proper divisors (1024892532950).

2001020220202 is a wasteful number, since it uses less digits than its factorization.

2001020220202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1948893.

The product of its (nonzero) digits is 64, while the sum is 13.

Adding to 2001020220202 its reverse (2020220201002), we get a palindrome (4021240421204).

It can be divided in two parts, 2001020 and 220202, that added together give a palindrome (2221222).

The spelling of 2001020220202 in words is "two trillion, one billion, twenty million, two hundred twenty thousand, two hundred two".