100720206021662 has 8 divisors (see below), whose sum is σ = 151080371429376. Its totient is φ = 50360082211872.

The previous prime is 100720206021629. The next prime is 100720206021667. The reversal of 100720206021662 is 266120602027001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100720206021667) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 3405563 + ... + 14595830.

It is an arithmetic number, because the mean of its divisors is an integer number (18885046428672).

Almost surely, 2^{100720206021662} is an apocalyptic number.

100720206021662 is a deficient number, since it is larger than the sum of its proper divisors (50360165407714).

100720206021662 is a wasteful number, since it uses less digits than its factorization.

100720206021662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20798962.

The product of its (nonzero) digits is 24192, while the sum is 35.

Adding to 100720206021662 its reverse (266120602027001), we get a palindrome (366840808048663).

The spelling of 100720206021662 in words is "one hundred trillion, seven hundred twenty billion, two hundred six million, twenty-one thousand, six hundred sixty-two".