20012433532 has 48 divisors (see below), whose sum is σ = 44494170112. Its totient is φ = 7661615040.

The previous prime is 20012433517. The next prime is 20012433557. The reversal of 20012433532 is 23533421002.

It is a junction number, because it is equal to n+sod(n) for n = 20012433497 and 20012433506.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 875478 + ... + 898045.

Almost surely, 2^20012433532 is an apocalyptic number.

It is an amenable number.

20012433532 is an abundant number, since it is smaller than the sum of its proper divisors (24481736580).

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

20012433532 is a wasteful number, since it uses less digits than its factorization.

20012433532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1773578 (or 1773576 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 25.

Adding to 20012433532 its reverse (23533421002), we get a palindrome (43545854534).

The spelling of 20012433532 in words is "twenty billion, twelve million, four hundred thirty-three thousand, five hundred thirty-two".