20272476212 has 6 divisors (see below), whose sum is σ = 35476833378. Its totient is φ = 10136238104.

The previous prime is 20272476209. The next prime is 20272476239. The reversal of 20272476212 is 21267427202.

It can be written as a sum of positive squares in only one way, i.e., 19103109796 + 1169366416 = 138214^2 + 34196^2 .

It is a super-2 number, since 2×20272476212² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2534059523 + ... + 2534059530.

It is an arithmetic number, because the mean of its divisors is an integer number (5912805563).

Almost surely, 2^20272476212 is an apocalyptic number.

It is an amenable number.

20272476212 is a deficient number, since it is larger than the sum of its proper divisors (15204357166).

20272476212 is a wasteful number, since it uses less digits than its factorization.

20272476212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5068119057 (or 5068119055 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 35.

The spelling of 20272476212 in words is "twenty billion, two hundred seventy-two million, four hundred seventy-six thousand, two hundred twelve".