20430301332 has 48 divisors (see below), whose sum is σ = 54629335040. Its totient is φ = 5821314912.

The previous prime is 20430301279. The next prime is 20430301337. The reversal of 20430301332 is 23310303402.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 20430301299 and 20430301308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20430301337) 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, 300532 + ... + 362187.

Almost surely, 2^20430301332 is an apocalyptic number.

It is an amenable number.

20430301332 is an abundant number, since it is smaller than the sum of its proper divisors (34199033708).

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

20430301332 is a wasteful number, since it uses less digits than its factorization.

20430301332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 663100 (or 663098 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 21.

Adding to 20430301332 its reverse (23310303402), we get a palindrome (43740604734).

The spelling of 20430301332 in words is "twenty billion, four hundred thirty million, three hundred one thousand, three hundred thirty-two".