20213020102 has 8 divisors (see below), whose sum is σ = 33075851112. Its totient is φ = 9187736400.

The previous prime is 20213020073. The next prime is 20213020123. The reversal of 20213020102 is 20102031202.

20213020102 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 459386799 + ... + 459386842.

It is an arithmetic number, because the mean of its divisors is an integer number (4134481389).

Almost surely, 2^20213020102 is an apocalyptic number.

20213020102 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20213020102 is a deficient number, since it is larger than the sum of its proper divisors (12862831010).

20213020102 is a wasteful number, since it uses less digits than its factorization.

20213020102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 918773654.

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 20213020102 its reverse (20102031202), we get a palindrome (40315051304).

The spelling of 20213020102 in words is "twenty billion, two hundred thirteen million, twenty thousand, one hundred two".