22000011010020 has 72 divisors (see below), whose sum is σ = 66733771366080. Its totient is φ = 5866634030400.

The previous prime is 22000011009979. The next prime is 22000011010039. The reversal of 22000011010020 is 2001011000022.

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

It is a junction number, because it is equal to n+sod(n) for n = 22000011009984 and 22000011010011.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 44346345 + ... + 44839695.

It is an arithmetic number, because the mean of its divisors is an integer number (926857935640).

Almost surely, 2^{22000011010020} is an apocalyptic number.

22000011010020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22000011010020 is an abundant number, since it is smaller than the sum of its proper divisors (44733760356060).

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

22000011010020 is a wasteful number, since it uses less digits than its factorization.

22000011010020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 741105 (or 741100 counting only the distinct ones).

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

Adding to 22000011010020 its reverse (2001011000022), we get a palindrome (24001022010042).

The spelling of 22000011010020 in words is "twenty-two trillion, eleven million, ten thousand, twenty".