20332042040 has 32 divisors (see below), whose sum is σ = 45856314000. Its totient is φ = 8113400064.

The previous prime is 20332042037. The next prime is 20332042099. The reversal of 20332042040 is 4024023302.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 589805 + ... + 623324.

Almost surely, 2^20332042040 is an apocalyptic number.

20332042040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20332042040 is an abundant number, since it is smaller than the sum of its proper divisors (25524271960).

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

20332042040 is a wasteful number, since it uses less digits than its factorization.

20332042040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1213559 (or 1213555 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 20.

Adding to 20332042040 its reverse (4024023302), we get a palindrome (24356065342).

The spelling of 20332042040 in words is "twenty billion, three hundred thirty-two million, forty-two thousand, forty".