20454605041 has 8 divisors (see below), whose sum is σ = 22029442344. Its totient is φ = 18879968640.

The previous prime is 20454605011. The next prime is 20454605051. The reversal of 20454605041 is 14050645402.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 11426754816 + 9027850225 = 106896^2 + 95015^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20454605041 - 2¹³ = 20454596849 is a prime.

It is a super-2 number, since 2×20454605041² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20454604994 and 20454605012.

It is not an unprimeable number, because it can be changed into a prime (20454605011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 211965 + ... + 292981.

It is an arithmetic number, because the mean of its divisors is an integer number (2753680293).

Almost surely, 2^20454605041 is an apocalyptic number.

It is an amenable number.

20454605041 is a deficient number, since it is larger than the sum of its proper divisors (1574837303).

20454605041 is a wasteful number, since it uses less digits than its factorization.

20454605041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100451.

The product of its (nonzero) digits is 19200, while the sum is 31.

The spelling of 20454605041 in words is "twenty billion, four hundred fifty-four million, six hundred five thousand, forty-one".