20143430152 has 32 divisors (see below), whose sum is σ = 40920660000. Its totient is φ = 9258810624.

The previous prime is 20143430141. The next prime is 20143430173. The reversal of 20143430152 is 25103434102.

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, 1716402 + ... + 1728097.

It is an arithmetic number, because the mean of its divisors is an integer number (1278770625).

Almost surely, 2^20143430152 is an apocalyptic number.

It is an amenable number.

20143430152 is an abundant number, since it is smaller than the sum of its proper divisors (20777229848).

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

20143430152 is a wasteful number, since it uses less digits than its factorization.

20143430152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3444565 (or 3444561 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

Adding to 20143430152 its reverse (25103434102), we get a palindrome (45246864254).

The spelling of 20143430152 in words is "twenty billion, one hundred forty-three million, four hundred thirty thousand, one hundred fifty-two".