10021255233420 has 24 divisors (see below), whose sum is σ = 28059514653744. Its totient is φ = 2672334728896.

The previous prime is 10021255233389. The next prime is 10021255233461. The reversal of 10021255233420 is 2433255212001.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 83510460219 + ... + 83510460338.

It is an arithmetic number, because the mean of its divisors is an integer number (1169146443906).

Almost surely, 2^{10021255233420} is an apocalyptic number.

10021255233420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10021255233420 is an abundant number, since it is smaller than the sum of its proper divisors (18038259420324).

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

10021255233420 is a wasteful number, since it uses less digits than its factorization.

10021255233420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167020920569 (or 167020920567 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

The spelling of 10021255233420 in words is "ten trillion, twenty-one billion, two hundred fifty-five million, two hundred thirty-three thousand, four hundred twenty".