20465653542200 has 24 divisors (see below), whose sum is σ = 47582644486080. Its totient is φ = 8186261416800.

The previous prime is 20465653542181. The next prime is 20465653542203. The reversal of 20465653542200 is 224535656402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20465653542203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 51164133656 + ... + 51164134055.

It is an arithmetic number, because the mean of its divisors is an integer number (1982610186920).

Almost surely, 2^{20465653542200} is an apocalyptic number.

20465653542200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20465653542200 is an abundant number, since it is smaller than the sum of its proper divisors (27116990943880).

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

20465653542200 is a wasteful number, since it uses less digits than its factorization.

20465653542200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102328267727 (or 102328267718 counting only the distinct ones).

The product of its (nonzero) digits is 1728000, while the sum is 44.

The spelling of 20465653542200 in words is "twenty trillion, four hundred sixty-five billion, six hundred fifty-three million, five hundred forty-two thousand, two hundred".