20201142030 has 16 divisors (see below), whose sum is σ = 48482740944. Its totient is φ = 5386971200.

The previous prime is 20201142001. The next prime is 20201142037. The reversal of 20201142030 is 3024110202.

It is a super-2 number, since 2×20201142030² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20201142037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 336685671 + ... + 336685730.

It is an arithmetic number, because the mean of its divisors is an integer number (3030171309).

Almost surely, 2^20201142030 is an apocalyptic number.

20201142030 is an abundant number, since it is smaller than the sum of its proper divisors (28281598914).

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

20201142030 is a wasteful number, since it uses less digits than its factorization.

20201142030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 673371411.

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

Adding to 20201142030 its reverse (3024110202), we get a palindrome (23225252232).

The spelling of 20201142030 in words is "twenty billion, two hundred one million, one hundred forty-two thousand, thirty".