20200228142 has 16 divisors (see below), whose sum is σ = 30728076720. Its totient is φ = 9957650112.

The previous prime is 20200228133. The next prime is 20200228259. The reversal of 20200228142 is 24182200202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 343448 + ... + 397940.

It is an arithmetic number, because the mean of its divisors is an integer number (1920504795).

Almost surely, 2^20200228142 is an apocalyptic number.

20200228142 is a deficient number, since it is larger than the sum of its proper divisors (10527848578).

20200228142 is a wasteful number, since it uses less digits than its factorization.

20200228142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57107.

The product of its (nonzero) digits is 1024, while the sum is 23.

Adding to 20200228142 its reverse (24182200202), we get a palindrome (44382428344).

The spelling of 20200228142 in words is "twenty billion, two hundred million, two hundred twenty-eight thousand, one hundred forty-two".