420122002 has 32 divisors (see below), whose sum is σ = 674790912. Its totient is φ = 195712704.

The previous prime is 420121973. The next prime is 420122009. The reversal of 420122002 is 200221024.

It is not an unprimeable number, because it can be changed into a prime (420122009) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 685048 + ... + 685660.

It is an arithmetic number, because the mean of its divisors is an integer number (21087216).

Almost surely, 2^420122002 is an apocalyptic number.

420122002 is a deficient number, since it is larger than the sum of its proper divisors (254668910).

420122002 is a wasteful number, since it uses less digits than its factorization.

420122002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1002.

The product of its (nonzero) digits is 64, while the sum is 13.

The square root of 420122002 is about 20496.8778598107. The cubic root of 420122002 is about 748.9597441946.

Adding to 420122002 its reverse (200221024), we get a palindrome (620343026).

The spelling of 420122002 in words is "four hundred twenty million, one hundred twenty-two thousand, two".