20021650600036 has 24 divisors (see below), whose sum is σ = 35064999347616. Its totient is φ = 10003080386880.

The previous prime is 20021650600001. The next prime is 20021650600037. The reversal of 20021650600036 is 63000605612002.

It is a junction number, because it is equal to n+sod(n) for n = 20021650599980 and 20021650600007.

It is not an unprimeable number, because it can be changed into a prime (20021650600037) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82856551 + ... + 83097841.

It is an arithmetic number, because the mean of its divisors is an integer number (1461041639484).

Almost surely, 2^{20021650600036} is an apocalyptic number.

It is an amenable number.

20021650600036 is a deficient number, since it is larger than the sum of its proper divisors (15043348747580).

20021650600036 is a wasteful number, since it uses less digits than its factorization.

20021650600036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257259 (or 257257 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 31.

The spelling of 20021650600036 in words is "twenty trillion, twenty-one billion, six hundred fifty million, six hundred thousand, thirty-six".