20122011338 has 32 divisors (see below), whose sum is σ = 35503900992. Its totient is φ = 8432294400.

The previous prime is 20122011331. The next prime is 20122011341. The reversal of 20122011338 is 83311022102.

It is a happy number.

It is a super-3 number, since 3×20122011338³ (a number of 32 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (20122011331) 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 15 ways as a sum of consecutive naturals, for example, 188570 + ... + 275322.

It is an arithmetic number, because the mean of its divisors is an integer number (1109496906).

Almost surely, 2^20122011338 is an apocalyptic number.

20122011338 is a deficient number, since it is larger than the sum of its proper divisors (15381889654).

20122011338 is a wasteful number, since it uses less digits than its factorization.

20122011338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87590.

The product of its (nonzero) digits is 576, while the sum is 23.

The spelling of 20122011338 in words is "twenty billion, one hundred twenty-two million, eleven thousand, three hundred thirty-eight".