14015421020 has 24 divisors (see below), whose sum is σ = 30447295200. Its totient is φ = 5412852032.

The previous prime is 14015421011. The next prime is 14015421029. The reversal of 14015421020 is 2012451041.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (14015421011) and next prime (14015421029).

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 = 14015420983 and 14015421001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14015421029) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12081680 + ... + 12082839.

It is an arithmetic number, because the mean of its divisors is an integer number (1268637300).

Almost surely, 2^14015421020 is an apocalyptic number.

14015421020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14015421020 is an abundant number, since it is smaller than the sum of its proper divisors (16431874180).

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

14015421020 is a wasteful number, since it uses less digits than its factorization.

14015421020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24164557 (or 24164555 counting only the distinct ones).

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

Adding to 14015421020 its reverse (2012451041), we get a palindrome (16027872061).

The spelling of 14015421020 in words is "fourteen billion, fifteen million, four hundred twenty-one thousand, twenty".