1354553220 has 24 divisors (see below), whose sum is σ = 3792749184. Its totient is φ = 361214176.

The previous prime is 1354553219. The next prime is 1354553227. The reversal of 1354553220 is 223554531.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (1354553227) 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, 11287884 + ... + 11288003.

It is an arithmetic number, because the mean of its divisors is an integer number (158031216).

Almost surely, 2^1354553220 is an apocalyptic number.

1354553220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1354553220 is an abundant number, since it is smaller than the sum of its proper divisors (2438195964).

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

1354553220 is a wasteful number, since it uses less digits than its factorization.

1354553220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22575899 (or 22575897 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 30.

The square root of 1354553220 is about 36804.2554604763. The cubic root of 1354553220 is about 1106.4505890532.

The spelling of 1354553220 in words is "one billion, three hundred fifty-four million, five hundred fifty-three thousand, two hundred twenty".