20351632433045 has 8 divisors (see below), whose sum is σ = 24422311963224. Its totient is φ = 16281070584064.

The previous prime is 20351632433021. The next prime is 20351632433063. The reversal of 20351632433045 is 54033423615302.

It can be written as a sum of positive squares in 4 ways, for example, as 1591455417841 + 18760177015204 = 1261529^2 + 4331302^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20351632433045 - 2²² = 20351628238741 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20351632432993 and 20351632433011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29039384 + ... + 29731953.

It is an arithmetic number, because the mean of its divisors is an integer number (3052788995403).

Almost surely, 2^{20351632433045} is an apocalyptic number.

It is an amenable number.

20351632433045 is a deficient number, since it is larger than the sum of its proper divisors (4070679530179).

20351632433045 is an equidigital number, since it uses as much as digits as its factorization.

20351632433045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58840599.

The product of its (nonzero) digits is 777600, while the sum is 41.

The spelling of 20351632433045 in words is "twenty trillion, three hundred fifty-one billion, six hundred thirty-two million, four hundred thirty-three thousand, forty-five".