20300223142 has 4 divisors (see below), whose sum is σ = 30450334716. Its totient is φ = 10150111570.

The previous prime is 20300223137. The next prime is 20300223217. The reversal of 20300223142 is 24132200302.

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

It is a super-2 number, since 2×20300223142² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5075055784 + ... + 5075055787.

It is an arithmetic number, because the mean of its divisors is an integer number (7612583679).

Almost surely, 2^20300223142 is an apocalyptic number.

20300223142 is a deficient number, since it is larger than the sum of its proper divisors (10150111574).

20300223142 is a wasteful number, since it uses less digits than its factorization.

20300223142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10150111573.

The product of its (nonzero) digits is 576, while the sum is 19.

Adding to 20300223142 its reverse (24132200302), we get a palindrome (44432423444).

The spelling of 20300223142 in words is "twenty billion, three hundred million, two hundred twenty-three thousand, one hundred forty-two".