20122421310 has 48 divisors (see below), whose sum is σ = 52327089360. Its totient is φ = 5365077120.

The previous prime is 20122421303. The next prime is 20122421317. The reversal of 20122421310 is 1312422102.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (20122421303) and next prime (20122421317).

It is a super-2 number, since 2×20122421310² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20122421317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 651906 + ... + 682074.

It is an arithmetic number, because the mean of its divisors is an integer number (1090147695).

Almost surely, 2^20122421310 is an apocalyptic number.

20122421310 is an abundant number, since it is smaller than the sum of its proper divisors (32204668050).

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

20122421310 is a wasteful number, since it uses less digits than its factorization.

20122421310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37593 (or 37590 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 20122421310 its reverse (1312422102), we get a palindrome (21434843412).

The spelling of 20122421310 in words is "twenty billion, one hundred twenty-two million, four hundred twenty-one thousand, three hundred ten".