20351632433044 has 36 divisors (see below), whose sum is σ = 40205497702132. Its totient is φ = 9000721952640.

The previous prime is 20351632433021. The next prime is 20351632433063. The reversal of 20351632433044 is 44033423615302.

It can be written as a sum of positive squares in 2 ways, for example, as 19563035152144 + 788597280900 = 4423012^2 + 888030^2 .

It is a junction number, because it is equal to n+sod(n) for n = 20351632432988 and 20351632433006.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 568209489 + ... + 568245304.

Almost surely, 2^{20351632433044} is an apocalyptic number.

It is an amenable number.

20351632433044 is a deficient number, since it is larger than the sum of its proper divisors (19853865269088).

20351632433044 is a wasteful number, since it uses less digits than its factorization.

20351632433044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1136454856 (or 1136454843 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 40.

The spelling of 20351632433044 in words is "twenty trillion, three hundred fifty-one billion, six hundred thirty-two million, four hundred thirty-three thousand, forty-four".