20445050102354 has 16 divisors (see below), whose sum is σ = 31415695067736. Its totient is φ = 9973153814400.

The previous prime is 20445050102311. The next prime is 20445050102369. The reversal of 20445050102354 is 45320105054402.

It can be written as a sum of positive squares in 4 ways, for example, as 12123815633329 + 8321234469025 = 3481927^2 + 2884655^2 .

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, 31086884 + ... + 31737744.

Almost surely, 2^{20445050102354} is an apocalyptic number.

20445050102354 is a deficient number, since it is larger than the sum of its proper divisors (10970644965382).

20445050102354 is a wasteful number, since it uses less digits than its factorization.

20445050102354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1033981.

The product of its (nonzero) digits is 96000, while the sum is 35.

Adding to 20445050102354 its reverse (45320105054402), we get a palindrome (65765155156756).

The spelling of 20445050102354 in words is "twenty trillion, four hundred forty-five billion, fifty million, one hundred two thousand, three hundred fifty-four".