20142404032 has 112 divisors (see below), whose sum is σ = 45216714240. Its totient is φ = 8845258752.

The previous prime is 20142404021. The next prime is 20142404033. The reversal of 20142404032 is 23040424102.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 20142403994 and 20142404012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20142404033) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 1377753 + ... + 1392295.

Almost surely, 2^20142404032 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20142404032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22608357120).

20142404032 is an abundant number, since it is smaller than the sum of its proper divisors (25074310208).

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

20142404032 is a wasteful number, since it uses less digits than its factorization.

20142404032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14658 (or 14648 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

Adding to 20142404032 its reverse (23040424102), we get a palindrome (43182828134).

The spelling of 20142404032 in words is "twenty billion, one hundred forty-two million, four hundred four thousand, thirty-two".