2455533220 has 48 divisors (see below), whose sum is σ = 5902606080. Its totient is φ = 840564864.

The previous prime is 2455533217. The next prime is 2455533233. The reversal of 2455533220 is 223355542.

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, 77026 + ... + 104134.

It is an arithmetic number, because the mean of its divisors is an integer number (122970960).

Almost surely, 2^2455533220 is an apocalyptic number.

2455533220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2455533220 is an abundant number, since it is smaller than the sum of its proper divisors (3447072860).

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

2455533220 is a wasteful number, since it uses less digits than its factorization.

2455533220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27772 (or 27770 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 31.

The square root of 2455533220 is about 49553.3371227408. The cubic root of 2455533220 is about 1349.1138619975.

Adding to 2455533220 its reverse (223355542), we get a palindrome (2678888762).

It can be divided in two parts, 24555 and 33220, that added together give a palindrome (57775).

The spelling of 2455533220 in words is "two billion, four hundred fifty-five million, five hundred thirty-three thousand, two hundred twenty".