20010543311 has 12 divisors (see below), whose sum is σ = 23288889456. Its totient is φ = 17121318720.

The previous prime is 20010543269. The next prime is 20010543331. The reversal of 20010543311 is 11334501002.

It is not a de Polignac number, because 20010543311 - 2³⁴ = 2830674127 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20010543331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4861955 + ... + 4866068.

It is an arithmetic number, because the mean of its divisors is an integer number (1940740788).

Almost surely, 2^20010543311 is an apocalyptic number.

20010543311 is a deficient number, since it is larger than the sum of its proper divisors (3278346145).

20010543311 is a wasteful number, since it uses less digits than its factorization.

20010543311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9728062 (or 9728051 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 20.

The spelling of 20010543311 in words is "twenty billion, ten million, five hundred forty-three thousand, three hundred eleven".