20143656062 has 16 divisors (see below), whose sum is σ = 30634614720. Its totient is φ = 9932164992.

The previous prime is 20143656047. The next prime is 20143656073. The reversal of 20143656062 is 26065634102.

It is a happy number.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 1639739 + ... + 1651977.

It is an arithmetic number, because the mean of its divisors is an integer number (1914663420).

Almost surely, 2^20143656062 is an apocalyptic number.

20143656062 is a deficient number, since it is larger than the sum of its proper divisors (10490958658).

20143656062 is a wasteful number, since it uses less digits than its factorization.

20143656062 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23587.

The product of its (nonzero) digits is 51840, while the sum is 35.

The spelling of 20143656062 in words is "twenty billion, one hundred forty-three million, six hundred fifty-six thousand, sixty-two".