20344156666041 has 32 divisors (see below), whose sum is σ = 29613545845632. Its totient is φ = 12347456970240.

The previous prime is 20344156666019. The next prime is 20344156666117. The reversal of 20344156666041 is 14066665144302.

It is not a de Polignac number, because 20344156666041 - 2⁷ = 20344156665913 is a prime.

It is a super-2 number, since 2×20344156666041² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20344156666441) 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, 73123006 + ... + 73400696.

It is an arithmetic number, because the mean of its divisors is an integer number (925423307676).

Almost surely, 2^{20344156666041} is an apocalyptic number.

It is an amenable number.

20344156666041 is a deficient number, since it is larger than the sum of its proper divisors (9269389179591).

20344156666041 is a wasteful number, since it uses less digits than its factorization.

20344156666041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303513.

The product of its (nonzero) digits is 2488320, while the sum is 48.

The spelling of 20344156666041 in words is "twenty trillion, three hundred forty-four billion, one hundred fifty-six million, six hundred sixty-six thousand, forty-one".