100420330 has 16 divisors (see below), whose sum is σ = 186990120. Its totient is φ = 38782912.

The previous prime is 100420291. The next prime is 100420363. The reversal of 100420330 is 33024001.

It can be written as a sum of positive squares in 4 ways, for example, as 89510521 + 10909809 = 9461^2 + 3303^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 100420330.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 172849 + ... + 173428.

Almost surely, 2^100420330 is an apocalyptic number.

100420330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100420330 is a deficient number, since it is larger than the sum of its proper divisors (86569790).

100420330 is a wasteful number, since it uses less digits than its factorization.

100420330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 346313.

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 100420330 is about 10020.9944616290. The cubic root of 100420330 is about 464.8083073130.

Adding to 100420330 its reverse (33024001), we get a palindrome (133444331).

The spelling of 100420330 in words is "one hundred million, four hundred twenty thousand, three hundred thirty".