20220101010 has 64 divisors (see below), whose sum is σ = 54062812800. Its totient is φ = 5377772736.

The previous prime is 20220101009. The next prime is 20220101023. The reversal of 20220101010 is 1010102202.

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

20220101010 is a modest number, since divided by 101010 gives 20220 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 20220100983 and 20220101001.

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, 3532 + ... + 201128.

It is an arithmetic number, because the mean of its divisors is an integer number (844731450).

Almost surely, 2^20220101010 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20220101010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27031406400).

20220101010 is an abundant number, since it is smaller than the sum of its proper divisors (33842711790).

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

20220101010 is a wasteful number, since it uses less digits than its factorization.

20220101010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197992 (or 197986 counting only the distinct ones).

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

Adding to 20220101010 its reverse (1010102202), we get a palindrome (21230203212).

The spelling of 20220101010 in words is "twenty billion, two hundred twenty million, one hundred one thousand, ten".