20432354360 has 128 divisors (see below), whose sum is σ = 51508224000. Its totient is φ = 7231311360.

The previous prime is 20432354357. The next prime is 20432354389. The reversal of 20432354360 is 6345323402.

It is a super-2 number, since 2×20432354360² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2958191 + ... + 2965089.

It is an arithmetic number, because the mean of its divisors is an integer number (402408000).

Almost surely, 2^20432354360 is an apocalyptic number.

20432354360 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20432354360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25754112000).

20432354360 is an abundant number, since it is smaller than the sum of its proper divisors (31075869640).

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

20432354360 is a wasteful number, since it uses less digits than its factorization.

20432354360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7101 (or 7097 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 32.

Adding to 20432354360 its reverse (6345323402), we get a palindrome (26777677762).

The spelling of 20432354360 in words is "twenty billion, four hundred thirty-two million, three hundred fifty-four thousand, three hundred sixty".