20461036417 has 16 divisors (see below), whose sum is σ = 21579936768. Its totient is φ = 19361635920.

The previous prime is 20461036403. The next prime is 20461036433. The reversal of 20461036417 is 71463016402.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20461036417 is a prime.

It is a super-2 number, since 2×20461036417² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20461036457) 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, 2656542 + ... + 2664232.

It is an arithmetic number, because the mean of its divisors is an integer number (1348746048).

Almost surely, 2^20461036417 is an apocalyptic number.

It is an amenable number.

20461036417 is a deficient number, since it is larger than the sum of its proper divisors (1118900351).

20461036417 is a wasteful number, since it uses less digits than its factorization.

20461036417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8940.

The product of its (nonzero) digits is 24192, while the sum is 34.

The spelling of 20461036417 in words is "twenty billion, four hundred sixty-one million, thirty-six thousand, four hundred seventeen".