20443130142 has 16 divisors (see below), whose sum is σ = 43038168960. Its totient is φ = 6455725272.

The previous prime is 20443130131. The next prime is 20443130153. The reversal of 20443130142 is 24103134402.

It is an interprime number because it is at equal distance from previous prime (20443130131) and next prime (20443130153).

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, 89662738 + ... + 89662965.

It is an arithmetic number, because the mean of its divisors is an integer number (2689885560).

Almost surely, 2^20443130142 is an apocalyptic number.

20443130142 is an abundant number, since it is smaller than the sum of its proper divisors (22595038818).

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

20443130142 is a wasteful number, since it uses less digits than its factorization.

20443130142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179325727.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 20443130142 its reverse (24103134402), we get a palindrome (44546264544).

The spelling of 20443130142 in words is "twenty billion, four hundred forty-three million, one hundred thirty thousand, one hundred forty-two".