20001011010222 has 32 divisors (see below), whose sum is σ = 43653685434624. Its totient is φ = 6058812988800.

The previous prime is 20001011010091. The next prime is 20001011010251. The reversal of 20001011010222 is 22201011010002.

It is a junction number, because it is equal to n+sod(n) for n = 20001011010198 and 20001011010207.

It is a congruent number.

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, 52293979 + ... + 52675062.

It is an arithmetic number, because the mean of its divisors is an integer number (1364177669832).

Almost surely, 2^{20001011010222} is an apocalyptic number.

20001011010222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20001011010222 is an abundant number, since it is smaller than the sum of its proper divisors (23652674424402).

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

20001011010222 is a wasteful number, since it uses less digits than its factorization.

20001011010222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104971944.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 20001011010222 its reverse (22201011010002), we get a palindrome (42202022020224).

The spelling of 20001011010222 in words is "twenty trillion, one billion, eleven million, ten thousand, two hundred twenty-two".