420264100011 has 16 divisors (see below), whose sum is σ = 640418169600. Its totient is φ = 240145015008.

The previous prime is 420264100007. The next prime is 420264100019. The reversal of 420264100011 is 110001462024.

It is a happy number.

It is not a de Polignac number, because 420264100011 - 2² = 420264100007 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (420264100019) 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, 717160 + ... + 1163978.

It is an arithmetic number, because the mean of its divisors is an integer number (40026135600).

Almost surely, 2^420264100011 is an apocalyptic number.

420264100011 is a deficient number, since it is larger than the sum of its proper divisors (220154069589).

420264100011 is a wasteful number, since it uses less digits than its factorization.

420264100011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 491618.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 420264100011 its reverse (110001462024), we get a palindrome (530265562035).

The spelling of 420264100011 in words is "four hundred twenty billion, two hundred sixty-four million, one hundred thousand, eleven".