20340432332 has 48 divisors (see below), whose sum is σ = 39896091648. Its totient is φ = 8994597120.

The previous prime is 20340432331. The next prime is 20340432347. The reversal of 20340432332 is 23323404302.

It is not an unprimeable number, because it can be changed into a prime (20340432331) 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, 315908 + ... + 374804.

It is an arithmetic number, because the mean of its divisors is an integer number (831168576).

Almost surely, 2^20340432332 is an apocalyptic number.

20340432332 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

20340432332 is a deficient number, since it is larger than the sum of its proper divisors (19555659316).

20340432332 is a wasteful number, since it uses less digits than its factorization.

20340432332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59126 (or 59124 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 26.

Adding to 20340432332 its reverse (23323404302), we get a palindrome (43663836634).

The spelling of 20340432332 in words is "twenty billion, three hundred forty million, four hundred thirty-two thousand, three hundred thirty-two".