20301033042 has 12 divisors (see below), whose sum is σ = 43985571630. Its totient is φ = 6767011008.

The previous prime is 20301033041. The next prime is 20301033043. The reversal of 20301033042 is 24033010302.

It is an interprime number because it is at equal distance from previous prime (20301033041) and next prime (20301033043).

It can be written as a sum of positive squares in only one way, i.e., 13888386801 + 6412646241 = 117849^2 + 80079^2 .

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 1127835169 = 20301033042 / (2 + 0 + 3 + 0 + 1 + 0 + 3 + 3 + 0 + 4 + 2).

It is not an unprimeable number, because it can be changed into a prime (20301033041) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 563917567 + ... + 563917602.

Almost surely, 2^20301033042 is an apocalyptic number.

20301033042 is an abundant number, since it is smaller than the sum of its proper divisors (23684538588).

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

20301033042 is a wasteful number, since it uses less digits than its factorization.

20301033042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1127835177 (or 1127835174 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

Adding to 20301033042 its reverse (24033010302), we get a palindrome (44334043344).

The spelling of 20301033042 in words is "twenty billion, three hundred one million, thirty-three thousand, forty-two".