1020151340 has 96 divisors (see below), whose sum is σ = 2393931456. Its totient is φ = 362741760.

The previous prime is 1020151289. The next prime is 1020151387. The reversal of 1020151340 is 431510201.

1020151340 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 884204 + ... + 885356.

It is an arithmetic number, because the mean of its divisors is an integer number (24936786).

Almost surely, 2^1020151340 is an apocalyptic number.

1020151340 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 1020151340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1196965728).

1020151340 is an abundant number, since it is smaller than the sum of its proper divisors (1373780116).

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

1020151340 is a wasteful number, since it uses less digits than its factorization.

1020151340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1299 (or 1297 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 1020151340 is about 31939.8080770690. The cubic root of 1020151340 is about 1006.6724921572.

Adding to 1020151340 its reverse (431510201), we get a palindrome (1451661541).

The spelling of 1020151340 in words is "one billion, twenty million, one hundred fifty-one thousand, three hundred forty".