20411246349 has 32 divisors (see below), whose sum is σ = 33687897600. Its totient is φ = 12127631040.

The previous prime is 20411246347. The next prime is 20411246363. The reversal of 20411246349 is 94364211402.

20411246349 is a `hidden beast` number, since 2 + 0 + 4 + 1 + 12 + 4 + 634 + 9 = 666.

It is not a de Polignac number, because 20411246349 - 2¹ = 20411246347 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20411246341) 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, 992437 + ... + 1012794.

It is an arithmetic number, because the mean of its divisors is an integer number (1052746800).

Almost surely, 2^20411246349 is an apocalyptic number.

20411246349 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

It is an amenable number.

20411246349 is a deficient number, since it is larger than the sum of its proper divisors (13276651251).

20411246349 is a wasteful number, since it uses less digits than its factorization.

20411246349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2005282 (or 2005276 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The spelling of 20411246349 in words is "twenty billion, four hundred eleven million, two hundred forty-six thousand, three hundred forty-nine".