100505720062 has 32 divisors (see below), whose sum is σ = 172160391168. Its totient is φ = 43588020000.

The previous prime is 100505719997. The next prime is 100505720069. The reversal of 100505720062 is 260027505001.

It is a super-2 number, since 2×100505720062² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 100505720062.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100505720069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 989389 + ... + 1086232.

It is an arithmetic number, because the mean of its divisors is an integer number (5380012224).

Almost surely, 2^100505720062 is an apocalyptic number.

100505720062 is a deficient number, since it is larger than the sum of its proper divisors (71654671106).

100505720062 is a wasteful number, since it uses less digits than its factorization.

100505720062 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2075736.

The product of its (nonzero) digits is 4200, while the sum is 28.

The spelling of 100505720062 in words is "one hundred billion, five hundred five million, seven hundred twenty thousand, sixty-two".