14121540020 has 24 divisors (see below), whose sum is σ = 33891696384. Its totient is φ = 4841670816.

The previous prime is 14121539981. The next prime is 14121540047. The reversal of 14121540020 is 2004512141.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 14121539974 and 14121540001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50433932 + ... + 50434211.

It is an arithmetic number, because the mean of its divisors is an integer number (1412154016).

Almost surely, 2^14121540020 is an apocalyptic number.

14121540020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14121540020 is an abundant number, since it is smaller than the sum of its proper divisors (19770156364).

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

14121540020 is a wasteful number, since it uses less digits than its factorization.

14121540020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100868159 (or 100868157 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 20.

The spelling of 14121540020 in words is "fourteen billion, one hundred twenty-one million, five hundred forty thousand, twenty".