20401001122 has 8 divisors (see below), whose sum is σ = 30602552400. Its totient is φ = 10200150324.

The previous prime is 20401001107. The next prime is 20401001149. The reversal of 20401001122 is 22110010402.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 94972 + ... + 223207.

It is an arithmetic number, because the mean of its divisors is an integer number (3825319050).

Almost surely, 2^20401001122 is an apocalyptic number.

20401001122 is a deficient number, since it is larger than the sum of its proper divisors (10201551278).

20401001122 is a wasteful number, since it uses less digits than its factorization.

20401001122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 350240.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 20401001122 its reverse (22110010402), we get a palindrome (42511011524).

The spelling of 20401001122 in words is "twenty billion, four hundred one million, one thousand, one hundred twenty-two".