20102264031 has 4 divisors (see below), whose sum is σ = 26803018712. Its totient is φ = 13401509352.

The previous prime is 20102264003. The next prime is 20102264041. The reversal of 20102264031 is 13046220102.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 20102264031 - 2¹⁴ = 20102247647 is a prime.

It is a super-2 number, since 2×20102264031² (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 = 20102263989 and 20102264007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20102264041) 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, 3350377336 + ... + 3350377341.

It is an arithmetic number, because the mean of its divisors is an integer number (6700754678).

Almost surely, 2^20102264031 is an apocalyptic number.

20102264031 is a deficient number, since it is larger than the sum of its proper divisors (6700754681).

20102264031 is an equidigital number, since it uses as much as digits as its factorization.

20102264031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6700754680.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 20102264031 its reverse (13046220102), we get a palindrome (33148484133).

The spelling of 20102264031 in words is "twenty billion, one hundred two million, two hundred sixty-four thousand, thirty-one".