1020134142200 has 24 divisors (see below), whose sum is σ = 2371811881080. Its totient is φ = 408053656800.

The previous prime is 1020134142199. The next prime is 1020134142323. The reversal of 1020134142200 is 22414310201.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2550335156 + ... + 2550335555.

It is an arithmetic number, because the mean of its divisors is an integer number (98825495045).

Almost surely, 2^{1020134142200} is an apocalyptic number.

1020134142200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1020134142200 is an abundant number, since it is smaller than the sum of its proper divisors (1351677738880).

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

1020134142200 is a wasteful number, since it uses less digits than its factorization.

1020134142200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5100670727 (or 5100670718 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 1020134142200 its reverse (22414310201), we get a palindrome (1042548452401).

The spelling of 1020134142200 in words is "one trillion, twenty billion, one hundred thirty-four million, one hundred forty-two thousand, two hundred".