20200102102 has 8 divisors (see below), whose sum is σ = 30336972336. Its totient is φ = 10087777992.

The previous prime is 20200102081. The next prime is 20200102103. The reversal of 20200102102 is 20120100202.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20200102103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6134473 + ... + 6137764.

It is an arithmetic number, because the mean of its divisors is an integer number (3792121542).

Almost surely, 2^20200102102 is an apocalyptic number.

20200102102 is a deficient number, since it is larger than the sum of its proper divisors (10136870234).

20200102102 is a wasteful number, since it uses less digits than its factorization.

20200102102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12273062.

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 20200102102 its reverse (20120100202), we get a palindrome (40320202304).

The spelling of 20200102102 in words is "twenty billion, two hundred million, one hundred two thousand, one hundred two".