20343755102 has 64 divisors (see below), whose sum is σ = 34712064000. Its totient is φ = 8863008000.

The previous prime is 20343755101. The next prime is 20343755129. The reversal of 20343755102 is 20155734302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20343755101) 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 31 ways as a sum of consecutive naturals, for example, 8478899 + ... + 8481297.

It is an arithmetic number, because the mean of its divisors is an integer number (542376000).

Almost surely, 2^20343755102 is an apocalyptic number.

20343755102 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20343755102 is a deficient number, since it is larger than the sum of its proper divisors (14368308898).

20343755102 is a wasteful number, since it uses less digits than its factorization.

20343755102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2633.

The product of its (nonzero) digits is 25200, while the sum is 32.

The spelling of 20343755102 in words is "twenty billion, three hundred forty-three million, seven hundred fifty-five thousand, one hundred two".