20200123102 has 8 divisors (see below), whose sum is σ = 30301248096. Its totient is φ = 10099707072.

The previous prime is 20200123081. The next prime is 20200123121. The reversal of 20200123102 is 20132100202.

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, 99123 + ... + 224110.

It is an arithmetic number, because the mean of its divisors is an integer number (3787656012).

Almost surely, 2^20200123102 is an apocalyptic number.

20200123102 is a deficient number, since it is larger than the sum of its proper divisors (10101124994).

20200123102 is a wasteful number, since it uses less digits than its factorization.

20200123102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 354482.

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

Adding to 20200123102 its reverse (20132100202), we get a palindrome (40332223304).

The spelling of 20200123102 in words is "twenty billion, two hundred million, one hundred twenty-three thousand, one hundred two".