20127765653410 has 32 divisors (see below), whose sum is σ = 37063217735280. Its totient is φ = 7867965570048.

The previous prime is 20127765653357. The next prime is 20127765653477. The reversal of 20127765653410 is 1435656772102.

It can be written as a sum of positive squares in 8 ways, for example, as 11187372631009 + 8940393022401 = 3344753^2 + 2990049^2 .

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, 126398787 + ... + 126557926.

Almost surely, 2^{20127765653410} is an apocalyptic number.

20127765653410 is a deficient number, since it is larger than the sum of its proper divisors (16935452081870).

20127765653410 is a wasteful number, since it uses less digits than its factorization.

20127765653410 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252956902.

The product of its (nonzero) digits is 2116800, while the sum is 49.

The spelling of 20127765653410 in words is "twenty trillion, one hundred twenty-seven billion, seven hundred sixty-five million, six hundred fifty-three thousand, four hundred ten".