36531250220 has 48 divisors (see below), whose sum is σ = 80914256640. Its totient is φ = 13815827136.

The previous prime is 36531250193. The next prime is 36531250243. The reversal of 36531250220 is 2205213563.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 95579 + ... + 286701.

It is an arithmetic number, because the mean of its divisors is an integer number (1685713680).

Almost surely, 2^36531250220 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 36531250220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40457128320).

36531250220 is an abundant number, since it is smaller than the sum of its proper divisors (44383006420).

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

36531250220 is a wasteful number, since it uses less digits than its factorization.

36531250220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191654 (or 191652 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 29.

Adding to 36531250220 its reverse (2205213563), we get a palindrome (38736463783).

The spelling of 36531250220 in words is "thirty-six billion, five hundred thirty-one million, two hundred fifty thousand, two hundred twenty".