100220203134 has 24 divisors (see below), whose sum is σ = 217529485992. Its totient is φ = 33347394000.

The previous prime is 100220203121. The next prime is 100220203169. The reversal of 100220203134 is 431302022001.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4934617 + ... + 4954884.

It is an arithmetic number, because the mean of its divisors is an integer number (9063728583).

Almost surely, 2^100220203134 is an apocalyptic number.

100220203134 is an abundant number, since it is smaller than the sum of its proper divisors (117309282858).

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

100220203134 is a wasteful number, since it uses less digits than its factorization.

100220203134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9890072 (or 9890069 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 100220203134 its reverse (431302022001), we get a palindrome (531522225135).

The spelling of 100220203134 in words is "one hundred billion, two hundred twenty million, two hundred three thousand, one hundred thirty-four".