20652540351300 has 288 divisors, whose sum is σ = 78001453004160. Its totient is φ = 4621547404800.

The previous prime is 20652540351271. The next prime is 20652540351383. The reversal of 20652540351300 is 315304525602.

20652540351300 is a `hidden beast` number, since 2 + 0 + 6 + 52 + 540 + 35 + 1 + 30 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 26358967 + ... + 27131166.

Almost surely, 2^{20652540351300} is an apocalyptic number.

20652540351300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20652540351300 is an abundant number, since it is smaller than the sum of its proper divisors (57348912652860).

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

20652540351300 is a wasteful number, since it uses less digits than its factorization.

20652540351300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53490180 (or 53490167 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 36.

Adding to 20652540351300 its reverse (315304525602), we get a palindrome (20967844876902).

The spelling of 20652540351300 in words is "twenty trillion, six hundred fifty-two billion, five hundred forty million, three hundred fifty-one thousand, three hundred".