20423014442232 has 32 divisors (see below), whose sum is σ = 51057782265600. Its totient is φ = 6807638659424.

The previous prime is 20423014442143. The next prime is 20423014442273. The reversal of 20423014442232 is 23224441032402.

It is a happy number.

It is a super-3 number, since 3×20423014442232³ (a number of 41 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20423014442193 and 20423014442202.

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, 3317083 + ... + 7200629.

It is an arithmetic number, because the mean of its divisors is an integer number (1595555695800).

Almost surely, 2^{20423014442232} is an apocalyptic number.

It is an amenable number.

20423014442232 is an abundant number, since it is smaller than the sum of its proper divisors (30634767823368).

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

20423014442232 is a wasteful number, since it uses less digits than its factorization.

20423014442232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4102675 (or 4102671 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 33.

Adding to 20423014442232 its reverse (23224441032402), we get a palindrome (43647455474634).

The spelling of 20423014442232 in words is "twenty trillion, four hundred twenty-three billion, fourteen million, four hundred forty-two thousand, two hundred thirty-two".