20030033031 has 32 divisors (see below), whose sum is σ = 27587589120. Its totient is φ = 12918873600.

The previous prime is 20030032973. The next prime is 20030033041. The reversal of 20030033031 is 13033003002.

It is a de Polignac number, because none of the positive numbers 2^k-20030033031 is a prime.

It is a super-2 number, since 2×20030033031² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20030033031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20030033041) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7765300 + ... + 7767878.

It is an arithmetic number, because the mean of its divisors is an integer number (862112160).

Almost surely, 2^20030033031 is an apocalyptic number.

20030033031 is a deficient number, since it is larger than the sum of its proper divisors (7557556089).

20030033031 is a wasteful number, since it uses less digits than its factorization.

20030033031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3127.

The product of its (nonzero) digits is 162, while the sum is 15.

Adding to 20030033031 its reverse (13033003002), we get a palindrome (33063036033).

The spelling of 20030033031 in words is "twenty billion, thirty million, thirty-three thousand, thirty-one".