20330032140 has 72 divisors (see below), whose sum is σ = 67273931088. Its totient is φ = 4928492160.

The previous prime is 20330032123. The next prime is 20330032171. The reversal of 20330032140 is 4123003302.

20330032140 is a `hidden beast` number, since 2 + 0 + 3 + 300 + 321 + 40 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5131867 + ... + 5135826.

It is an arithmetic number, because the mean of its divisors is an integer number (934360154).

Almost surely, 2^20330032140 is an apocalyptic number.

20330032140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20330032140 is an abundant number, since it is smaller than the sum of its proper divisors (46943898948).

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

20330032140 is a wasteful number, since it uses less digits than its factorization.

20330032140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10267719 (or 10267714 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

Adding to 20330032140 its reverse (4123003302), we get a palindrome (24453035442).

The spelling of 20330032140 in words is "twenty billion, three hundred thirty million, thirty-two thousand, one hundred forty".