233402420420 has 48 divisors (see below), whose sum is σ = 530528101488. Its totient is φ = 85741877760.

The previous prime is 233402420417. The next prime is 233402420441. The reversal of 233402420420 is 24024204332.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 12945604 + 233389474816 = 3598^2 + 483104^2 .

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a self number, because there is not a number n which added to its sum of digits gives 233402420420.

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, 2227211 + ... + 2329650.

It is an arithmetic number, because the mean of its divisors is an integer number (11052668781).

Almost surely, 2^233402420420 is an apocalyptic number.

233402420420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

233402420420 is an abundant number, since it is smaller than the sum of its proper divisors (297125681068).

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

233402420420 is a wasteful number, since it uses less digits than its factorization.

233402420420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4557080 (or 4557078 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 26.

Adding to 233402420420 its reverse (24024204332), we get a palindrome (257426624752).

The spelling of 233402420420 in words is "two hundred thirty-three billion, four hundred two million, four hundred twenty thousand, four hundred twenty".