20210012101040 has 20 divisors (see below), whose sum is σ = 46988278135104. Its totient is φ = 8084004840384.

The previous prime is 20210012101039. The next prime is 20210012101121. The reversal of 20210012101040 is 4010121001202.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (20).

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 3 ways as a sum of consecutive naturals, for example, 126312575552 + ... + 126312575711.

Almost surely, 2^{20210012101040} is an apocalyptic number.

20210012101040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20210012101040 is an abundant number, since it is smaller than the sum of its proper divisors (26778266034064).

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

20210012101040 is a wasteful number, since it uses less digits than its factorization.

20210012101040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252625151276 (or 252625151270 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 20210012101040 its reverse (4010121001202), we get a palindrome (24220133102242).

The spelling of 20210012101040 in words is "twenty trillion, two hundred ten billion, twelve million, one hundred one thousand, forty".