1001920669226 has 32 divisors (see below), whose sum is σ = 1571713638480. Its totient is φ = 478403968000.

The previous prime is 1001920669207. The next prime is 1001920669229. The reversal of 1001920669226 is 6229660291001.

It can be written as a sum of positive squares in 8 ways, for example, as 719699419201 + 282221250025 = 848351^2 + 531245^2 .

It is not an unprimeable number, because it can be changed into a prime (1001920669229) 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, 5635736 + ... + 5810796.

Almost surely, 2^{1001920669226} is an apocalyptic number.

1001920669226 is a deficient number, since it is larger than the sum of its proper divisors (569792969254).

1001920669226 is a wasteful number, since it uses less digits than its factorization.

1001920669226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176170.

The product of its (nonzero) digits is 139968, while the sum is 44.

The spelling of 1001920669226 in words is "one trillion, one billion, nine hundred twenty million, six hundred sixty-nine thousand, two hundred twenty-six".