20401010822 has 8 divisors (see below), whose sum is σ = 30710419272. Its totient is φ = 10164204400.

The previous prime is 20401010821. The next prime is 20401010831. The reversal of 20401010822 is 22801010402.

It is a happy number.

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

It is a super-2 number, since 2×20401010822² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20401010794 and 20401010803.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20401010821) 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, 18149804 + ... + 18150927.

It is an arithmetic number, because the mean of its divisors is an integer number (3838802409).

Almost surely, 2^20401010822 is an apocalyptic number.

20401010822 is a deficient number, since it is larger than the sum of its proper divisors (10309408450).

20401010822 is a wasteful number, since it uses less digits than its factorization.

20401010822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36301014.

The product of its (nonzero) digits is 256, while the sum is 20.

The spelling of 20401010822 in words is "twenty billion, four hundred one million, ten thousand, eight hundred twenty-two".