20126265605770 has 32 divisors (see below), whose sum is σ = 39293862619536. Its totient is φ = 7392143462400.

The previous prime is 20126265605737. The next prime is 20126265605773. The reversal of 20126265605770 is 7750656262102.

It can be written as a sum of positive squares in 8 ways, for example, as 2432355279201 + 17693910326569 = 1559601^2 + 4206413^2 .

It is not an unprimeable number, because it can be changed into a prime (20126265605773) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1443771051 + ... + 1443784990.

Almost surely, 2^{20126265605770} is an apocalyptic number.

20126265605770 is a deficient number, since it is larger than the sum of its proper divisors (19167597013766).

20126265605770 is a wasteful number, since it uses less digits than its factorization.

20126265605770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2887556106.

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

The spelling of 20126265605770 in words is "twenty trillion, one hundred twenty-six billion, two hundred sixty-five million, six hundred five thousand, seven hundred seventy".