10220021232 has 40 divisors (see below), whose sum is σ = 26406370896. Its totient is φ = 3406073856.

The previous prime is 10220021209. The next prime is 10220021233. The reversal of 10220021232 is 23212002201.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10220021233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 319638 + ... + 350154.

Almost surely, 2^10220021232 is an apocalyptic number.

10220021232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10220021232 is an abundant number, since it is smaller than the sum of its proper divisors (16186349664).

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

10220021232 is a wasteful number, since it uses less digits than its factorization.

10220021232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37505 (or 37499 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 10220021232 its reverse (23212002201), we get a palindrome (33432023433).

The spelling of 10220021232 in words is "ten billion, two hundred twenty million, twenty-one thousand, two hundred thirty-two".