220308453040 has 40 divisors (see below), whose sum is σ = 551618475408. Its totient is φ = 81344659200.

The previous prime is 220308453011. The next prime is 220308453047. The reversal of 220308453040 is 40354803022.

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 220308452993 and 220308453011.

It is not an unprimeable number, because it can be changed into a prime (220308453047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 105916486 + ... + 105918565.

Almost surely, 2^220308453040 is an apocalyptic number.

220308453040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220308453040 is an abundant number, since it is smaller than the sum of its proper divisors (331310022368).

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

220308453040 is a wasteful number, since it uses less digits than its factorization.

220308453040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211835077 (or 211835071 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 31.

The spelling of 220308453040 in words is "two hundred twenty billion, three hundred eight million, four hundred fifty-three thousand, forty".