20142431130 has 32 divisors (see below), whose sum is σ = 51185473344. Its totient is φ = 5055355136.

The previous prime is 20142431077. The next prime is 20142431131. The reversal of 20142431130 is 3113424102.

It is a junction number, because it is equal to n+sod(n) for n = 20142431097 and 20142431106.

It is not an unprimeable number, because it can be changed into a prime (20142431131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19746972 + ... + 19747991.

It is an arithmetic number, because the mean of its divisors is an integer number (1599546042).

Almost surely, 2^20142431130 is an apocalyptic number.

20142431130 is an abundant number, since it is smaller than the sum of its proper divisors (31043042214).

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

20142431130 is a wasteful number, since it uses less digits than its factorization.

20142431130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39494990.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 20142431130 its reverse (3113424102), we get a palindrome (23255855232).

The spelling of 20142431130 in words is "twenty billion, one hundred forty-two million, four hundred thirty-one thousand, one hundred thirty".