20152223332 has 24 divisors (see below), whose sum is σ = 35515247040. Its totient is φ = 10005138720.

The previous prime is 20152223309. The next prime is 20152223339. The reversal of 20152223332 is 23332225102.

It is a super-2 number, since 2×20152223332² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20152223297 and 20152223306.

It is not an unprimeable number, because it can be changed into a prime (20152223339) 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, 633094 + ... + 664162.

It is an arithmetic number, because the mean of its divisors is an integer number (1479801960).

Almost surely, 2^20152223332 is an apocalyptic number.

It is an amenable number.

20152223332 is a deficient number, since it is larger than the sum of its proper divisors (15363023708).

20152223332 is a wasteful number, since it uses less digits than its factorization.

20152223332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32211 (or 32209 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 25.

Adding to 20152223332 its reverse (23332225102), we get a palindrome (43484448434).

The spelling of 20152223332 in words is "twenty billion, one hundred fifty-two million, two hundred twenty-three thousand, three hundred thirty-two".