20437041632 has 24 divisors (see below), whose sum is σ = 45983344176. Its totient is φ = 8758732032.

The previous prime is 20437041629. The next prime is 20437041637. The reversal of 20437041632 is 23614073402.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20437041637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45618173 + ... + 45618620.

It is an arithmetic number, because the mean of its divisors is an integer number (1915972674).

Almost surely, 2^20437041632 is an apocalyptic number.

It is an amenable number.

20437041632 is an abundant number, since it is smaller than the sum of its proper divisors (25546302544).

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

20437041632 is an equidigital number, since it uses as much as digits as its factorization.

20437041632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91236810 (or 91236802 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 32.

The spelling of 20437041632 in words is "twenty billion, four hundred thirty-seven million, forty-one thousand, six hundred thirty-two".