22021202002040 has 32 divisors (see below), whose sum is σ = 49547880528480. Its totient is φ = 8808449507712.

The previous prime is 22021202002039. The next prime is 22021202002069. The reversal of 22021202002040 is 4020020212022.

It is a super-2 number, since 2×22021202002040² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12828662 + ... + 14443578.

It is an arithmetic number, because the mean of its divisors is an integer number (1548371266515).

Almost surely, 2^{22021202002040} is an apocalyptic number.

22021202002040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22021202002040 is an abundant number, since it is smaller than the sum of its proper divisors (27526678526440).

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

22021202002040 is a wasteful number, since it uses less digits than its factorization.

22021202002040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1955831 (or 1955827 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 17.

Adding to 22021202002040 its reverse (4020020212022), we get a palindrome (26041222214062).

The spelling of 22021202002040 in words is "twenty-two trillion, twenty-one billion, two hundred two million, two thousand, forty".