20284195336 has 8 divisors (see below), whose sum is σ = 38032866270. Its totient is φ = 10142097664.

The previous prime is 20284195273. The next prime is 20284195387. The reversal of 20284195336 is 63359148202.

It can be written as a sum of positive squares in only one way, i.e., 20280608100 + 3587236 = 142410^2 + 1894^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×20284195336² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20284195292 and 20284195301.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1267762201 + ... + 1267762216.

Almost surely, 2^20284195336 is an apocalyptic number.

It is an amenable number.

20284195336 is a deficient number, since it is larger than the sum of its proper divisors (17748670934).

20284195336 is a wasteful number, since it uses less digits than its factorization.

20284195336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2535524423 (or 2535524419 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 43.

The spelling of 20284195336 in words is "twenty billion, two hundred eighty-four million, one hundred ninety-five thousand, three hundred thirty-six".