220126225020031 has 4 divisors (see below), whose sum is σ = 240137700021864. Its totient is φ = 200114750018200.

The previous prime is 220126225020029. The next prime is 220126225020047. The reversal of 220126225020031 is 130020522621022.

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 220126225020031 - 2¹ = 220126225020029 is a prime.

It is a super-2 number, since 2×220126225020031² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220126225020061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10005737500900 + ... + 10005737500921.

It is an arithmetic number, because the mean of its divisors is an integer number (60034425005466).

Almost surely, 2^{220126225020031} is an apocalyptic number.

220126225020031 is a deficient number, since it is larger than the sum of its proper divisors (20011475001833).

220126225020031 is a wasteful number, since it uses less digits than its factorization.

220126225020031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20011475001832.

The product of its (nonzero) digits is 5760, while the sum is 28.

Adding to 220126225020031 its reverse (130020522621022), we get a palindrome (350146747641053).

The spelling of 220126225020031 in words is "two hundred twenty trillion, one hundred twenty-six billion, two hundred twenty-five million, twenty thousand, thirty-one".