20315252701260 has 288 divisors, whose sum is σ = 71331904530432. Its totient is φ = 4625280092160.

The previous prime is 20315252701259. The next prime is 20315252701279. The reversal of 20315252701260 is 6210725251302.

20315252701260 is a `hidden beast` number, since 2 + 0 + 3 + 1 + 5 + 2 + 527 + 0 + 126 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 15073029 + ... + 16365411.

It is an arithmetic number, because the mean of its divisors is an integer number (247680224064).

Almost surely, 2^{20315252701260} is an apocalyptic number.

20315252701260 is a gapful number since it is divisible by the number (20) 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 20315252701260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35665952265216).

20315252701260 is an abundant number, since it is smaller than the sum of its proper divisors (51016651829172).

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

20315252701260 is a wasteful number, since it uses less digits than its factorization.

20315252701260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1292893 (or 1292888 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 36.

Adding to 20315252701260 its reverse (6210725251302), we get a palindrome (26525977952562).

The spelling of 20315252701260 in words is "twenty trillion, three hundred fifteen billion, two hundred fifty-two million, seven hundred one thousand, two hundred sixty".