1354023220 has 96 divisors (see below), whose sum is σ = 3281886720. Its totient is φ = 464077440.

The previous prime is 1354023101. The next prime is 1354023331. The reversal of 1354023220 is 223204531.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 1354023191 and 1354023200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 948147 + ... + 949573.

It is an arithmetic number, because the mean of its divisors is an integer number (34186320).

Almost surely, 2^1354023220 is an apocalyptic number.

1354023220 is a gapful number since it is divisible by the number (10) 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 1354023220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1640943360).

1354023220 is an abundant number, since it is smaller than the sum of its proper divisors (1927863500).

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

1354023220 is a wasteful number, since it uses less digits than its factorization.

1354023220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1693 (or 1691 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 1354023220 is about 36797.0545016853. The cubic root of 1354023220 is about 1106.3062621752.

Adding to 1354023220 its reverse (223204531), we get a palindrome (1577227751).

The spelling of 1354023220 in words is "one billion, three hundred fifty-four million, twenty-three thousand, two hundred twenty".