220140801540 has 192 divisors, whose sum is σ = 747442080000. Its totient is φ = 53346216960.

The previous prime is 220140801511. The next prime is 220140801547. The reversal of 220140801540 is 45108041022.

220140801540 is a `hidden beast` number, since 2 + 2 + 0 + 1 + 40 + 80 + 1 + 540 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (220140801547) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 19055686 + ... + 19067234.

It is an arithmetic number, because the mean of its divisors is an integer number (3892927500).

Almost surely, 2^220140801540 is an apocalyptic number.

220140801540 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 220140801540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (373721040000).

220140801540 is an abundant number, since it is smaller than the sum of its proper divisors (527301278460).

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

220140801540 is a wasteful number, since it uses less digits than its factorization.

220140801540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14787 (or 14779 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 27.

Adding to 220140801540 its reverse (45108041022), we get a palindrome (265248842562).

The spelling of 220140801540 in words is "two hundred twenty billion, one hundred forty million, eight hundred one thousand, five hundred forty".