20222000022020 has 48 divisors (see below), whose sum is σ = 45050515877808. Its totient is φ = 7598375915520.

The previous prime is 20222000022013. The next prime is 20222000022047. The reversal of 20222000022020 is 2022000022202.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 70950845956 + 20151049176064 = 266366^2 + 4488992^2 .

It is a junction number, because it is equal to n+sod(n) for n = 20222000021986 and 20222000022004.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56902007 + ... + 57256286.

It is an arithmetic number, because the mean of its divisors is an integer number (938552414121).

Almost surely, 2^{20222000022020} is an apocalyptic number.

20222000022020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20222000022020 is an abundant number, since it is smaller than the sum of its proper divisors (24828515855788).

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

20222000022020 is a wasteful number, since it uses less digits than its factorization.

20222000022020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114158840 (or 114158838 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 14.

Adding to 20222000022020 its reverse (2022000022202), we get a palindrome (22244000044222).

The spelling of 20222000022020 in words is "twenty trillion, two hundred twenty-two billion, twenty-two thousand, twenty".