14123402020 has 96 divisors (see below), whose sum is σ = 37394090496. Its totient is φ = 4360780800.

The previous prime is 14123401991. The next prime is 14123402063. The reversal of 14123402020 is 2020432141.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20016 + ... + 169255.

It is an arithmetic number, because the mean of its divisors is an integer number (389521776).

Almost surely, 2^14123402020 is an apocalyptic number.

14123402020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 14123402020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18697045248).

14123402020 is an abundant number, since it is smaller than the sum of its proper divisors (23270688476).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

14123402020 is a wasteful number, since it uses less digits than its factorization.

14123402020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189341 (or 189339 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 14123402020 its reverse (2020432141), we get a palindrome (16143834161).

The spelling of 14123402020 in words is "fourteen billion, one hundred twenty-three million, four hundred two thousand, twenty".