420194030 has 8 divisors (see below), whose sum is σ = 756349272. Its totient is φ = 168077608.

The previous prime is 420194023. The next prime is 420194041. The reversal of 420194030 is 30491024.

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

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 420193987 and 420194005.

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, 21009692 + ... + 21009711.

It is an arithmetic number, because the mean of its divisors is an integer number (94543659).

Almost surely, 2^420194030 is an apocalyptic number.

420194030 is a deficient number, since it is larger than the sum of its proper divisors (336155242).

420194030 is a wasteful number, since it uses less digits than its factorization.

420194030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42019410.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 420194030 is about 20498.6348325931. The cubic root of 420194030 is about 749.0025436588.

The spelling of 420194030 in words is "four hundred twenty million, one hundred ninety-four thousand, thirty".