20051077236 has 48 divisors (see below), whose sum is σ = 48016753344. Its totient is φ = 6509691136.

The previous prime is 20051077219. The next prime is 20051077271. The reversal of 20051077236 is 63277015002.

It is a junction number, because it is equal to n+sod(n) for n = 20051077197 and 20051077206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27930 + ... + 202193.

It is an arithmetic number, because the mean of its divisors is an integer number (1000349028).

Almost surely, 2^20051077236 is an apocalyptic number.

It is an amenable number.

20051077236 is an abundant number, since it is smaller than the sum of its proper divisors (27965676108).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20051077236 is a wasteful number, since it uses less digits than its factorization.

20051077236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230320 (or 230318 counting only the distinct ones).

The product of its (nonzero) digits is 17640, while the sum is 33.

The spelling of 20051077236 in words is "twenty billion, fifty-one million, seventy-seven thousand, two hundred thirty-six".