20040024532 has 48 divisors (see below), whose sum is σ = 38984464512. Its totient is φ = 8937492480.

The previous prime is 20040024503. The next prime is 20040024539. The reversal of 20040024532 is 23542004002.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20040024539) 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, 603753 + ... + 636079.

It is an arithmetic number, because the mean of its divisors is an integer number (812176344).

Almost surely, 2^20040024532 is an apocalyptic number.

20040024532 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

20040024532 is a deficient number, since it is larger than the sum of its proper divisors (18944439980).

20040024532 is a wasteful number, since it uses less digits than its factorization.

20040024532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32608 (or 32606 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 22.

Adding to 20040024532 its reverse (23542004002), we get a palindrome (43582028534).

The spelling of 20040024532 in words is "twenty billion, forty million, twenty-four thousand, five hundred thirty-two".