15220202040000 has 840 divisors, whose sum is σ = 56222698852320. Its totient is φ = 3932928000000.

The previous prime is 15220202039993. The next prime is 15220202040023. The reversal of 15220202040000 is 4020202251.

15220202040000 is a `hidden beast` number, since 1 + 5 + 220 + 20 + 20 + 400 + 0 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 2228756586 + ... + 2228763414.

It is an arithmetic number, because the mean of its divisors is an integer number (66931784348).

Almost surely, 2^{15220202040000} is an apocalyptic number.

15220202040000 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 15220202040000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28111349426160).

15220202040000 is an abundant number, since it is smaller than the sum of its proper divisors (41002496812320).

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

15220202040000 is a wasteful number, since it uses less digits than its factorization.

15220202040000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7059 (or 7031 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

Adding to 15220202040000 its reverse (4020202251), we get a palindrome (15224222242251).

The spelling of 15220202040000 in words is "fifteen trillion, two hundred twenty billion, two hundred two million, forty thousand".