100420556002 has 8 divisors (see below), whose sum is σ = 162217821276. Its totient is φ = 46347948912.

The previous prime is 100420555957. The next prime is 100420556009. The reversal of 100420556002 is 200655024001.

It can be written as a sum of positive squares in 2 ways, for example, as 100394556201 + 25999801 = 316851^2 + 5099^2 .

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

It is not an unprimeable number, because it can be changed into a prime (100420556009) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1931164513 + ... + 1931164564.

Almost surely, 2^100420556002 is an apocalyptic number.

100420556002 is a deficient number, since it is larger than the sum of its proper divisors (61797265274).

100420556002 is a wasteful number, since it uses less digits than its factorization.

100420556002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3862329092.

The product of its (nonzero) digits is 2400, while the sum is 25.

The spelling of 100420556002 in words is "one hundred billion, four hundred twenty million, five hundred fifty-six thousand, two".