20660353032 has 64 divisors (see below), whose sum is σ = 57270173760. Its totient is φ = 6158073600.

The previous prime is 20660353027. The next prime is 20660353039. The reversal of 20660353032 is 23035306602.

It is not an unprimeable number, because it can be changed into a prime (20660353039) 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, 625363 + ... + 657570.

It is an arithmetic number, because the mean of its divisors is an integer number (894846465).

Almost surely, 2^20660353032 is an apocalyptic number.

20660353032 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

20660353032 is an abundant number, since it is smaller than the sum of its proper divisors (36609820728).

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

20660353032 is a wasteful number, since it uses less digits than its factorization.

20660353032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1283014 (or 1283010 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 30.

Adding to 20660353032 its reverse (23035306602), we get a palindrome (43695659634).

The spelling of 20660353032 in words is "twenty billion, six hundred sixty million, three hundred fifty-three thousand, thirty-two".