20011012322 has 64 divisors (see below), whose sum is σ = 36311998464. Its totient is φ = 8085528000.

The previous prime is 20011012291. The next prime is 20011012369. The reversal of 20011012322 is 22321011002.

It is a happy number.

It is a super-2 number, since 2×20011012322² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 20011012297 and 20011012306.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20070728 + ... + 20071724.

It is an arithmetic number, because the mean of its divisors is an integer number (567374976).

Almost surely, 2^20011012322 is an apocalyptic number.

20011012322 is a deficient number, since it is larger than the sum of its proper divisors (16300986142).

20011012322 is a wasteful number, since it uses less digits than its factorization.

20011012322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1863.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 20011012322 its reverse (22321011002), we get a palindrome (42332023324).

The spelling of 20011012322 in words is "twenty billion, eleven million, twelve thousand, three hundred twenty-two".