20306461311 has 12 divisors (see below), whose sum is σ = 29343573792. Its totient is φ = 13532093856.

The previous prime is 20306461289. The next prime is 20306461327. The reversal of 20306461311 is 11316460302.

20306461311 is a `hidden beast` number, since 2 + 0 + 3 + 0 + 646 + 1 + 3 + 11 = 666.

It is not a de Polignac number, because 20306461311 - 2⁷ = 20306461183 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20306461361) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 439006 + ... + 483051.

It is an arithmetic number, because the mean of its divisors is an integer number (2445297816).

Almost surely, 2^20306461311 is an apocalyptic number.

20306461311 is a deficient number, since it is larger than the sum of its proper divisors (9037112481).

20306461311 is a wasteful number, since it uses less digits than its factorization.

20306461311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 924510 (or 924507 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The spelling of 20306461311 in words is "twenty billion, three hundred six million, four hundred sixty-one thousand, three hundred eleven".