20212002002 has 4 divisors (see below), whose sum is σ = 30318003006. Its totient is φ = 10106001000.

The previous prime is 20212001983. The next prime is 20212002017. The reversal of 20212002002 is 20020021202.

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., 19973886241 + 238115761 = 141329^2 + 15431^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5053000499 + ... + 5053000502.

Almost surely, 2^20212002002 is an apocalyptic number.

20212002002 is a deficient number, since it is larger than the sum of its proper divisors (10106001004).

20212002002 is a wasteful number, since it uses less digits than its factorization.

20212002002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10106001003.

The product of its (nonzero) digits is 32, while the sum is 11.

Adding to 20212002002 its reverse (20020021202), we get a palindrome (40232023204).

It can be divided in two parts, 2021200 and 2002, that added together give a palindrome (2023202).

The spelling of 20212002002 in words is "twenty billion, two hundred twelve million, two thousand, two".