1373375020 has 48 divisors (see below), whose sum is σ = 3010694400. Its totient is φ = 525634560.

The previous prime is 1373374999. The next prime is 1373375023. The reversal of 1373375020 is 205733731.

It is a super-3 number, since 3×1373375020³ (a number of 28 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is not an unprimeable number, because it can be changed into a prime (1373375023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42736 + ... + 67624.

It is an arithmetic number, because the mean of its divisors is an integer number (62722800).

Almost surely, 2^1373375020 is an apocalyptic number.

1373375020 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 1373375020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1505347200).

1373375020 is an abundant number, since it is smaller than the sum of its proper divisors (1637319380).

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

1373375020 is a wasteful number, since it uses less digits than its factorization.

1373375020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25018 (or 25016 counting only the distinct ones).

The product of its (nonzero) digits is 13230, while the sum is 31.

The square root of 1373375020 is about 37059.0747321085. The cubic root of 1373375020 is about 1111.5518213147.

The spelling of 1373375020 in words is "one billion, three hundred seventy-three million, three hundred seventy-five thousand, twenty".