15220213000 has 64 divisors (see below), whose sum is σ = 35828956800. Its totient is φ = 6051563200.

The previous prime is 15220212983. The next prime is 15220213007. The reversal of 15220213000 is 31202251.

It is not an unprimeable number, because it can be changed into a prime (15220213007) 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, 121431 + ... + 212569.

It is an arithmetic number, because the mean of its divisors is an integer number (559827450).

Almost surely, 2^15220213000 is an apocalyptic number.

15220213000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 15220213000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17914478400).

15220213000 is an abundant number, since it is smaller than the sum of its proper divisors (20608743800).

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

15220213000 is a wasteful number, since it uses less digits than its factorization.

15220213000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91327 (or 91313 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 16.

Adding to 15220213000 its reverse (31202251), we get a palindrome (15251415251).

The spelling of 15220213000 in words is "fifteen billion, two hundred twenty million, two hundred thirteen thousand".