20122213104 has 100 divisors (see below), whose sum is σ = 66559484464. Its totient is φ = 5749201152.

The previous prime is 20122213099. The next prime is 20122213109. The reversal of 20122213104 is 40131222102.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (20122213099) and next prime (20122213109).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20122213109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1099957 + ... + 1118100.

Almost surely, 2^20122213104 is an apocalyptic number.

20122213104 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

20122213104 is an abundant number, since it is smaller than the sum of its proper divisors (46437271360).

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

20122213104 is a wasteful number, since it uses less digits than its factorization.

20122213104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2218084 (or 2218069 counting only the distinct ones).

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

Adding to 20122213104 its reverse (40131222102), we get a palindrome (60253435206).

The spelling of 20122213104 in words is "twenty billion, one hundred twenty-two million, two hundred thirteen thousand, one hundred four".