20122011404 has 12 divisors (see below), whose sum is σ = 38414749128. Its totient is φ = 9146368800.

The previous prime is 20122011397. The next prime is 20122011409. The reversal of 20122011404 is 40411022102.

It is not an unprimeable number, because it can be changed into a prime (20122011409) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 228659177 + ... + 228659264.

It is an arithmetic number, because the mean of its divisors is an integer number (3201229094).

Almost surely, 2^20122011404 is an apocalyptic number.

It is an amenable number.

20122011404 is a deficient number, since it is larger than the sum of its proper divisors (18292737724).

20122011404 is a wasteful number, since it uses less digits than its factorization.

20122011404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 457318456 (or 457318454 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 20122011404 its reverse (40411022102), we get a palindrome (60533033506).

The spelling of 20122011404 in words is "twenty billion, one hundred twenty-two million, eleven thousand, four hundred four".