420214826 has 4 divisors (see below), whose sum is σ = 630322242. Its totient is φ = 210107412.

The previous prime is 420214813. The next prime is 420214829. The reversal of 420214826 is 628412024.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 313113025 + 107101801 = 17695^2 + 10349^2 .

It is not an unprimeable number, because it can be changed into a prime (420214829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105053705 + ... + 105053708.

Almost surely, 2^420214826 is an apocalyptic number.

420214826 is a deficient number, since it is larger than the sum of its proper divisors (210107416).

420214826 is a wasteful number, since it uses less digits than its factorization.

420214826 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210107415.

The product of its (nonzero) digits is 6144, while the sum is 29.

The square root of 420214826 is about 20499.1420796091. The cubic root of 420214826 is about 749.0148998553.

The spelling of 420214826 in words is "four hundred twenty million, two hundred fourteen thousand, eight hundred twenty-six".