20016211473 has 12 divisors (see below), whose sum is σ = 29038563060. Its totient is φ = 13285868256.

The previous prime is 20016211469. The next prime is 20016211531. The reversal of 20016211473 is 37411261002.

20016211473 is a `hidden beast` number, since 20 + 0 + 1 + 621 + 14 + 7 + 3 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 16595365329 + 3420846144 = 128823^2 + 58488^2 .

It is not a de Polignac number, because 20016211473 - 2² = 20016211469 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20016211573) 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, 4853886 + ... + 4858007.

It is an arithmetic number, because the mean of its divisors is an integer number (2419880255).

Almost surely, 2^20016211473 is an apocalyptic number.

It is an amenable number.

20016211473 is a deficient number, since it is larger than the sum of its proper divisors (9022351587).

20016211473 is a wasteful number, since it uses less digits than its factorization.

20016211473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9712128 (or 9712125 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

Adding to 20016211473 its reverse (37411261002), we get a palindrome (57427472475).

The spelling of 20016211473 in words is "twenty billion, sixteen million, two hundred eleven thousand, four hundred seventy-three".