20210312102 has 8 divisors (see below), whose sum is σ = 30447850800. Its totient is φ = 10061028504.

The previous prime is 20210312069. The next prime is 20210312107. The reversal of 20210312102 is 20121301202.

It is a happy number.

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 (20210312107) 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, 22063202 + ... + 22064117.

It is an arithmetic number, because the mean of its divisors is an integer number (3805981350).

Almost surely, 2^20210312102 is an apocalyptic number.

20210312102 is a deficient number, since it is larger than the sum of its proper divisors (10237538698).

20210312102 is a wasteful number, since it uses less digits than its factorization.

20210312102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44127550.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 20210312102 its reverse (20121301202), we get a palindrome (40331613304).

The spelling of 20210312102 in words is "twenty billion, two hundred ten million, three hundred twelve thousand, one hundred two".