100420446556 has 12 divisors (see below), whose sum is σ = 183376467792. Its totient is φ = 48027170048.

The previous prime is 100420446541. The next prime is 100420446583. The reversal of 100420446556 is 655644024001.

It is a super-2 number, since 2×100420446556² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 545763205 + ... + 545763388.

It is an arithmetic number, because the mean of its divisors is an integer number (15281372316).

Almost surely, 2^100420446556 is an apocalyptic number.

It is an amenable number.

100420446556 is a deficient number, since it is larger than the sum of its proper divisors (82956021236).

100420446556 is a wasteful number, since it uses less digits than its factorization.

100420446556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1091526620 (or 1091526618 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 37.

The spelling of 100420446556 in words is "one hundred billion, four hundred twenty million, four hundred forty-six thousand, five hundred fifty-six".