20200350031 has 4 divisors (see below), whose sum is σ = 20335923000. Its totient is φ = 20064777064.

The previous prime is 20200350029. The next prime is 20200350043. The reversal of 20200350031 is 13005300202.

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 20200350031 - 2¹ = 20200350029 is a prime.

It is a super-2 number, since 2×20200350031² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20200349987 and 20200350014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20200350091) 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, 67786261 + ... + 67786558.

It is an arithmetic number, because the mean of its divisors is an integer number (5083980750).

Almost surely, 2^20200350031 is an apocalyptic number.

20200350031 is a deficient number, since it is larger than the sum of its proper divisors (135572969).

20200350031 is a wasteful number, since it uses less digits than its factorization.

20200350031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135572968.

The product of its (nonzero) digits is 180, while the sum is 16.

Adding to 20200350031 its reverse (13005300202), we get a palindrome (33205650233).

The spelling of 20200350031 in words is "twenty billion, two hundred million, three hundred fifty thousand, thirty-one".