2102020030 has 16 divisors (see below), whose sum is σ = 4127603184. Its totient is φ = 764370880.

The previous prime is 2102020003. The next prime is 2102020073. The reversal of 2102020030 is 300202012.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 2102019989 and 2102020016.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9554527 + ... + 9554746.

It is an arithmetic number, because the mean of its divisors is an integer number (257975199).

Almost surely, 2^2102020030 is an apocalyptic number.

2102020030 is a deficient number, since it is larger than the sum of its proper divisors (2025583154).

2102020030 is a wasteful number, since it uses less digits than its factorization.

2102020030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19109291.

The product of its (nonzero) digits is 24, while the sum is 10.

The square root of 2102020030 is about 45847.7919860924. The cubic root of 2102020030 is about 1280.9896378986.

Adding to 2102020030 its reverse (300202012), we get a palindrome (2402222042).

The spelling of 2102020030 in words is "two billion, one hundred two million, twenty thousand, thirty".