20022101000010 has 24 divisors (see below), whose sum is σ = 52057462600260. Its totient is φ = 5339226933312.

The previous prime is 20022100999981. The next prime is 20022101000107. The reversal of 20022101000010 is 1000010122002.

It can be written as a sum of positive squares in 2 ways, for example, as 16488464238801 + 3533636761209 = 4060599^2 + 1879797^2 .

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 20022100999956 and 20022101000001.

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, 111233894355 + ... + 111233894534.

Almost surely, 2^{20022101000010} is an apocalyptic number.

20022101000010 is an abundant number, since it is smaller than the sum of its proper divisors (32035361600250).

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

20022101000010 is a wasteful number, since it uses less digits than its factorization.

20022101000010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222467788902 (or 222467788899 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 20022101000010 its reverse (1000010122002), we get a palindrome (21022111122012).

The spelling of 20022101000010 in words is "twenty trillion, twenty-two billion, one hundred one million, ten", and thus it is an aban number.