142100020203 has 4 divisors (see below), whose sum is σ = 189466693608. Its totient is φ = 94733346800.

The previous prime is 142100020201. The next prime is 142100020267. The reversal of 142100020203 is 302020001241.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 142100020203 - 2¹ = 142100020201 is a prime.

It is a super-2 number, since 2×142100020203² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (142100020201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23683336698 + ... + 23683336703.

It is an arithmetic number, because the mean of its divisors is an integer number (47366673402).

Almost surely, 2^142100020203 is an apocalyptic number.

142100020203 is a deficient number, since it is larger than the sum of its proper divisors (47366673405).

142100020203 is an equidigital number, since it uses as much as digits as its factorization.

142100020203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47366673404.

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 142100020203 its reverse (302020001241), we get a palindrome (444120021444).

The spelling of 142100020203 in words is "one hundred forty-two billion, one hundred million, twenty thousand, two hundred three".