420011022 has 16 divisors (see below), whose sum is σ = 840223440. Its totient is φ = 139970112.

The previous prime is 420010967. The next prime is 420011069. The reversal of 420011022 is 220110024.

It is a junction number, because it is equal to n+sod(n) for n = 420010989 and 420011007.

It is a congruent number.

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, 42004 + ... + 51032.

It is an arithmetic number, because the mean of its divisors is an integer number (52513965).

Almost surely, 2^420011022 is an apocalyptic number.

420011022 is an abundant number, since it is smaller than the sum of its proper divisors (420212418).

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

420011022 is a wasteful number, since it uses less digits than its factorization.

420011022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16787.

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 420011022 is about 20494.1704394201. The cubic root of 420011022 is about 748.8937896448.

Adding to 420011022 its reverse (220110024), we get a palindrome (640121046).

The spelling of 420011022 in words is "four hundred twenty million, eleven thousand, twenty-two".