420021133410 has 32 divisors (see below), whose sum is σ = 1014726563712. Its totient is φ = 111263875200.

The previous prime is 420021133331. The next prime is 420021133459. The reversal of 420021133410 is 14331120024.

It is a super-2 number, since 2×420021133410² (a number of 24 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46355419 + ... + 46364478.

It is an arithmetic number, because the mean of its divisors is an integer number (31710205116).

Almost surely, 2^420021133410 is an apocalyptic number.

420021133410 is an abundant number, since it is smaller than the sum of its proper divisors (594705430302).

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

420021133410 is a wasteful number, since it uses less digits than its factorization.

420021133410 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92720058.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 420021133410 its reverse (14331120024), we get a palindrome (434352253434).

The spelling of 420021133410 in words is "four hundred twenty billion, twenty-one million, one hundred thirty-three thousand, four hundred ten".