20101002022 has 32 divisors (see below), whose sum is σ = 31279094784. Its totient is φ = 9681408000.

The previous prime is 20101001983. The next prime is 20101002023. The reversal of 20101002022 is 22020010102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20101002023) 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, 3168838 + ... + 3175174.

It is an arithmetic number, because the mean of its divisors is an integer number (977471712).

Almost surely, 2^20101002022 is an apocalyptic number.

20101002022 is a deficient number, since it is larger than the sum of its proper divisors (11178092762).

20101002022 is a wasteful number, since it uses less digits than its factorization.

20101002022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6864.

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

Adding to 20101002022 its reverse (22020010102), we get a palindrome (42121012124).

The spelling of 20101002022 in words is "twenty billion, one hundred one million, two thousand, twenty-two".