20150151252 has 96 divisors (see below), whose sum is σ = 59046865920. Its totient is φ = 5195569920.

The previous prime is 20150151239. The next prime is 20150151253. The reversal of 20150151252 is 25215105102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20150151253) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 46999 + ... + 206177.

It is an arithmetic number, because the mean of its divisors is an integer number (615071520).

Almost surely, 2^20150151252 is an apocalyptic number.

20150151252 is a gapful number since it is divisible by the number (22) 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 20150151252, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29523432960).

20150151252 is an abundant number, since it is smaller than the sum of its proper divisors (38896714668).

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

20150151252 is a wasteful number, since it uses less digits than its factorization.

20150151252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159341 (or 159339 counting only the distinct ones).

The product of its (nonzero) digits is 1000, while the sum is 24.

Adding to 20150151252 its reverse (25215105102), we get a palindrome (45365256354).

The spelling of 20150151252 in words is "twenty billion, one hundred fifty million, one hundred fifty-one thousand, two hundred fifty-two".