20440011022002 has 48 divisors (see below), whose sum is σ = 52029118971648. Its totient is φ = 5717485599840.

The previous prime is 20440011022001. The next prime is 20440011022003. The reversal of 20440011022002 is 20022011004402.

20440011022002 is a `hidden beast` number, since 2 + 0 + 440 + 0 + 1 + 1 + 0 + 220 + 0 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (20440011022001) and next prime (20440011022003).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (20440011022001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3970473538 + ... + 3970478685.

It is an arithmetic number, because the mean of its divisors is an integer number (1083939978576).

Almost surely, 2^{20440011022002} is an apocalyptic number.

20440011022002 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20440011022002 is an abundant number, since it is smaller than the sum of its proper divisors (31589107949646).

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

20440011022002 is a wasteful number, since it uses less digits than its factorization.

20440011022002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7940952255 (or 7940952252 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 20440011022002 its reverse (20022011004402), we get a palindrome (40462022026404).

The spelling of 20440011022002 in words is "twenty trillion, four hundred forty billion, eleven million, twenty-two thousand, two".