20433761440570 has 16 divisors (see below), whose sum is σ = 37474747397640. Its totient is φ = 8019287508544.

The previous prime is 20433761440507. The next prime is 20433761440571. The reversal of 20433761440570 is 7504416733402.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 19773398799441 + 660362641129 = 4446729^2 + 812627^2 .

It is a super-2 number, since 2×20433761440570² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20433761440570.

It is not an unprimeable number, because it can be changed into a prime (20433761440571) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 19277132905 + ... + 19277133964.

Almost surely, 2^{20433761440570} is an apocalyptic number.

20433761440570 is a deficient number, since it is larger than the sum of its proper divisors (17040985957070).

20433761440570 is a wasteful number, since it uses less digits than its factorization.

20433761440570 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38554266929.

The product of its (nonzero) digits is 1693440, while the sum is 46.

The spelling of 20433761440570 in words is "twenty trillion, four hundred thirty-three billion, seven hundred sixty-one million, four hundred forty thousand, five hundred seventy".