2028181020002 has 4 divisors (see below), whose sum is σ = 3042271530006. Its totient is φ = 1014090510000.

The previous prime is 2028181020001. The next prime is 2028181020007. The reversal of 2028181020002 is 2000201818202.

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., 1984545570121 + 43635449881 = 1408739^2 + 208891^2 .

It is a super-2 number, since 2×2028181020002² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2028181020001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 507045254999 + ... + 507045255002.

Almost surely, 2^{2028181020002} is an apocalyptic number.

2028181020002 is a deficient number, since it is larger than the sum of its proper divisors (1014090510004).

2028181020002 is a wasteful number, since it uses less digits than its factorization.

2028181020002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1014090510003.

The product of its (nonzero) digits is 1024, while the sum is 26.

Adding to 2028181020002 its reverse (2000201818202), we get a palindrome (4028382838204).

The spelling of 2028181020002 in words is "two trillion, twenty-eight billion, one hundred eighty-one million, twenty thousand, two".