142021550142020 has 24 divisors (see below), whose sum is σ = 298475205433944. Its totient is φ = 56764820030976.

The previous prime is 142021550141983. The next prime is 142021550142029. The reversal of 142021550142020 is 20241055120241.

It can be written as a sum of positive squares in 4 ways, for example, as 81585261391936 + 60436288750084 = 9032456^2 + 7774078^2 .

It is not an unprimeable number, because it can be changed into a prime (142021550142029) 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, 2737475027 + ... + 2737526906.

It is an arithmetic number, because the mean of its divisors is an integer number (12436466893081).

Almost surely, 2^{142021550142020} is an apocalyptic number.

142021550142020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142021550142020 is an abundant number, since it is smaller than the sum of its proper divisors (156453655291924).

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

142021550142020 is a wasteful number, since it uses less digits than its factorization.

142021550142020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5475003239 (or 5475003237 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 29.

The spelling of 142021550142020 in words is "one hundred forty-two trillion, twenty-one billion, five hundred fifty million, one hundred forty-two thousand, twenty".