20203430132 has 12 divisors (see below), whose sum is σ = 37216845120. Its totient is φ = 9570045816.

The previous prime is 20203430131. The next prime is 20203430147. The reversal of 20203430132 is 23103430202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20203430131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 132917228 + ... + 132917379.

It is an arithmetic number, because the mean of its divisors is an integer number (3101403760).

Almost surely, 2^20203430132 is an apocalyptic number.

It is an amenable number.

20203430132 is a deficient number, since it is larger than the sum of its proper divisors (17013414988).

20203430132 is a wasteful number, since it uses less digits than its factorization.

20203430132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265834630 (or 265834628 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 20203430132 its reverse (23103430202), we get a palindrome (43306860334).

The spelling of 20203430132 in words is "twenty billion, two hundred three million, four hundred thirty thousand, one hundred thirty-two".