1020906846641 has 32 divisors (see below), whose sum is σ = 1143387187200. Its totient is φ = 903762921600.

The previous prime is 1020906846637. The next prime is 1020906846671. The reversal of 1020906846641 is 1466486090201.

It is a happy number.

It is not a de Polignac number, because 1020906846641 - 2² = 1020906846637 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1020906846671) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21268430 + ... + 21316376.

It is an arithmetic number, because the mean of its divisors is an integer number (35730849600).

Almost surely, 2^{1020906846641} is an apocalyptic number.

1020906846641 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1020906846641 is a deficient number, since it is larger than the sum of its proper divisors (122480340559).

1020906846641 is a wasteful number, since it uses less digits than its factorization.

1020906846641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48365.

The product of its (nonzero) digits is 497664, while the sum is 47.

The spelling of 1020906846641 in words is "one trillion, twenty billion, nine hundred six million, eight hundred forty-six thousand, six hundred forty-one".