20122051424 has 12 divisors (see below), whose sum is σ = 39615288804. Its totient is φ = 10061025696.

The previous prime is 20122051409. The next prime is 20122051489. The reversal of 20122051424 is 42415022102.

It is a super-3 number, since 3×20122051424³ (a number of 32 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20122051424.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 314407022 + ... + 314407085.

It is an arithmetic number, because the mean of its divisors is an integer number (3301274067).

Almost surely, 2^20122051424 is an apocalyptic number.

It is an amenable number.

20122051424 is a deficient number, since it is larger than the sum of its proper divisors (19493237380).

20122051424 is an equidigital number, since it uses as much as digits as its factorization.

20122051424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 628814117 (or 628814109 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 23.

Adding to 20122051424 its reverse (42415022102), we get a palindrome (62537073526).

The spelling of 20122051424 in words is "twenty billion, one hundred twenty-two million, fifty-one thousand, four hundred twenty-four".