20401423322 has 24 divisors (see below), whose sum is σ = 35659147104. Its totient is φ = 8728547352.

The previous prime is 20401423309. The next prime is 20401423349. The reversal of 20401423322 is 22332410402.

It is a super-3 number, since 3×20401423322³ (a number of 32 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 119798 + ... + 234849.

It is an arithmetic number, because the mean of its divisors is an integer number (1485797796).

Almost surely, 2^20401423322 is an apocalyptic number.

20401423322 is a deficient number, since it is larger than the sum of its proper divisors (15257723782).

20401423322 is a wasteful number, since it uses less digits than its factorization.

20401423322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 355250 (or 355243 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 20401423322 its reverse (22332410402), we get a palindrome (42733833724).

The spelling of 20401423322 in words is "twenty billion, four hundred one million, four hundred twenty-three thousand, three hundred twenty-two".