220654254540 has 48 divisors (see below), whose sum is σ = 617853384288. Its totient is φ = 58839089664.

The previous prime is 220654254539. The next prime is 220654254547. The reversal of 220654254540 is 45452456022.

It is a super-2 number, since 2×220654254540² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (220654254547) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2583154 + ... + 2667206.

It is an arithmetic number, because the mean of its divisors is an integer number (12871945506).

Almost surely, 2^220654254540 is an apocalyptic number.

220654254540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220654254540 is an abundant number, since it is smaller than the sum of its proper divisors (397199129748).

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

220654254540 is a wasteful number, since it uses less digits than its factorization.

220654254540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127818 (or 127816 counting only the distinct ones).

The product of its (nonzero) digits is 384000, while the sum is 39.

The spelling of 220654254540 in words is "two hundred twenty billion, six hundred fifty-four million, two hundred fifty-four thousand, five hundred forty".