20021030310000 has 100 divisors (see below), whose sum is σ = 64630555408232. Its totient is φ = 5338941408000.

The previous prime is 20021030309977. The next prime is 20021030310023. The reversal of 20021030310000 is 1303012002.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (20021030309977) and next prime (20021030310023).

It is a tau number, because it is divible by the number of its divisors (100).

It is a super-2 number, since 2×20021030310000² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 333653839 + ... + 333713838.

Almost surely, 2^{20021030310000} is an apocalyptic number.

20021030310000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20021030310000 is an abundant number, since it is smaller than the sum of its proper divisors (44609525098232).

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

20021030310000 is an equidigital number, since it uses as much as digits as its factorization.

20021030310000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 667367708 (or 667367687 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 12.

Adding to 20021030310000 its reverse (1303012002), we get a palindrome (20022333322002).

The spelling of 20021030310000 in words is "twenty trillion, twenty-one billion, thirty million, three hundred ten thousand".