22201010020 has 48 divisors (see below), whose sum is σ = 53558563968. Its totient is φ = 7572326400.

The previous prime is 22201010017. The next prime is 22201010023. The reversal of 22201010020 is 2001010222.

It is an interprime number because it is at equal distance from previous prime (22201010017) and next prime (22201010023).

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 22201009979 and 22201010006.

It is not an unprimeable number, because it can be changed into a prime (22201010023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 383806 + ... + 437845.

It is an arithmetic number, because the mean of its divisors is an integer number (1115803416).

Almost surely, 2^22201010020 is an apocalyptic number.

22201010020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22201010020 is an abundant number, since it is smaller than the sum of its proper divisors (31357553948).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22201010020 is a wasteful number, since it uses less digits than its factorization.

22201010020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 821860 (or 821858 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 22201010020 its reverse (2001010222), we get a palindrome (24202020242).

The spelling of 22201010020 in words is "twenty-two billion, two hundred one million, ten thousand, twenty".