1354752020 has 24 divisors (see below), whose sum is σ = 2847398568. Its totient is φ = 541440000.

The previous prime is 1354752019. The next prime is 1354752059. The reversal of 1354752020 is 202574531.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 364816 + 1354387204 = 604^2 + 36802^2 .

It is a Smith number, since the sum of its digits (29) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4181 + ... + 52220.

It is an arithmetic number, because the mean of its divisors is an integer number (118641607).

Almost surely, 2^1354752020 is an apocalyptic number.

1354752020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1354752020 is an abundant number, since it is smaller than the sum of its proper divisors (1492646548).

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

1354752020 is a wasteful number, since it uses less digits than its factorization.

1354752020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57611 (or 57609 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 29.

The square root of 1354752020 is about 36806.9561360349. The cubic root of 1354752020 is about 1106.5047155391.

The spelling of 1354752020 in words is "one billion, three hundred fifty-four million, seven hundred fifty-two thousand, twenty".