157338025220 has 96 divisors (see below), whose sum is σ = 343693173600. Its totient is φ = 60450914304.

The previous prime is 157338025219. The next prime is 157338025223. The reversal of 157338025220 is 22520833751.

It can be written as a sum of positive squares in 16 ways, for example, as 40119556 + 157297905664 = 6334^2 + 396608^2 .

It is not an unprimeable number, because it can be changed into a prime (157338025223) 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, 53279264 + ... + 53282216.

It is an arithmetic number, because the mean of its divisors is an integer number (3580137225).

Almost surely, 2^157338025220 is an apocalyptic number.

157338025220 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 157338025220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (171846586800).

157338025220 is an abundant number, since it is smaller than the sum of its proper divisors (186355148380).

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

157338025220 is a wasteful number, since it uses less digits than its factorization.

157338025220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3897 (or 3895 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 38.

Adding to 157338025220 its reverse (22520833751), we get a palindrome (179858858971).

The spelling of 157338025220 in words is "one hundred fifty-seven billion, three hundred thirty-eight million, twenty-five thousand, two hundred twenty".