20151130350 has 96 divisors (see below), whose sum is σ = 53867489760. Its totient is φ = 4955811840.

The previous prime is 20151130283. The next prime is 20151130357. The reversal of 20151130350 is 5303115102.

It is a super-2 number, since 2×20151130350² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20151130357) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2509542 + ... + 2517558.

It is an arithmetic number, because the mean of its divisors is an integer number (561119685).

Almost surely, 2^20151130350 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20151130350, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26933744880).

20151130350 is an abundant number, since it is smaller than the sum of its proper divisors (33716359410).

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

20151130350 is a wasteful number, since it uses less digits than its factorization.

20151130350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9334 (or 9329 counting only the distinct ones).

The product of its (nonzero) digits is 450, while the sum is 21.

Adding to 20151130350 its reverse (5303115102), we get a palindrome (25454245452).

The spelling of 20151130350 in words is "twenty billion, one hundred fifty-one million, one hundred thirty thousand, three hundred fifty".