20010101022010 has 16 divisors (see below), whose sum is σ = 39292562007072. Its totient is φ = 7276400371600.

The previous prime is 20010101022007. The next prime is 20010101022019. The reversal of 20010101022010 is 1022010101002.

It is a super-2 number, since 2×20010101022010² (a number of 27 digits) contains 22 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (20010101022019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 90955004536 + ... + 90955004755.

It is an arithmetic number, because the mean of its divisors is an integer number (2455785125442).

Almost surely, 2^{20010101022010} is an apocalyptic number.

20010101022010 is a deficient number, since it is larger than the sum of its proper divisors (19282460985062).

20010101022010 is a wasteful number, since it uses less digits than its factorization.

20010101022010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181910009309.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 20010101022010 its reverse (1022010101002), we get a palindrome (21032111123012).

The spelling of 20010101022010 in words is "twenty trillion, ten billion, one hundred one million, twenty-two thousand, ten".