1020155140300 has 36 divisors (see below), whose sum is σ = 2343956461560. Its totient is φ = 384058405120.

The previous prime is 1020155140201. The next prime is 1020155140307. The reversal of 1020155140300 is 30415510201.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1020155140307) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 300043930 + ... + 300047329.

It is an arithmetic number, because the mean of its divisors is an integer number (65109901710).

Almost surely, 2^{1020155140300} is an apocalyptic number.

1020155140300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1020155140300 is an abundant number, since it is smaller than the sum of its proper divisors (1323801321260).

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

1020155140300 is a wasteful number, since it uses less digits than its factorization.

1020155140300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 600091290 (or 600091283 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 22.

The spelling of 1020155140300 in words is "one trillion, twenty billion, one hundred fifty-five million, one hundred forty thousand, three hundred".