1420210434 has 16 divisors (see below), whose sum is σ = 2840815872. Its totient is φ = 473337648.

The previous prime is 1420210333. The next prime is 1420210489. The reversal of 1420210434 is 4340120241.

It is a self number, because there is not a number n which added to its sum of digits gives 1420210434.

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, 52527 + ... + 74829.

It is an arithmetic number, because the mean of its divisors is an integer number (177550992).

Almost surely, 2^1420210434 is an apocalyptic number.

1420210434 is an abundant number, since it is smaller than the sum of its proper divisors (1420605438).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1420210434 is a wasteful number, since it uses less digits than its factorization.

With its successor (1420210435) it forms an eRAP, since the sums of their prime factors are consecutive (32921 and 32922).

1420210434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32921.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 1420210434 is about 37685.6794286636. The cubic root of 1420210434 is about 1124.0463843820.

Adding to 1420210434 its reverse (4340120241), we get a palindrome (5760330675).

The spelling of 1420210434 in words is "one billion, four hundred twenty million, two hundred ten thousand, four hundred thirty-four".