1020140034520 has 32 divisors (see below), whose sum is σ = 2295419702400. Its totient is φ = 408037413888.

The previous prime is 1020140034517. The next prime is 1020140034523. The reversal of 1020140034520 is 254300410201.

1020140034520 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (1020140034517) and next prime (1020140034523).

It is a junction number, because it is equal to n+sod(n) for n = 1020140034491 and 1020140034500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020140034523) 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, 324697 + ... + 1464823.

It is an arithmetic number, because the mean of its divisors is an integer number (71731865700).

Almost surely, 2^{1020140034520} is an apocalyptic number.

1020140034520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1020140034520 is an abundant number, since it is smaller than the sum of its proper divisors (1275279667880).

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

1020140034520 is a wasteful number, since it uses less digits than its factorization.

1020140034520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1162507 (or 1162503 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

Adding to 1020140034520 its reverse (254300410201), we get a palindrome (1274440444721).

The spelling of 1020140034520 in words is "one trillion, twenty billion, one hundred forty million, thirty-four thousand, five hundred twenty".