10451120020 has 24 divisors (see below), whose sum is σ = 23942566368. Its totient is φ = 3800407200.

The previous prime is 10451120003. The next prime is 10451120027. The reversal of 10451120020 is 2002115401.

It is a junction number, because it is equal to n+sod(n) for n = 10451119976 and 10451120003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10451120027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23752326 + ... + 23752765.

It is an arithmetic number, because the mean of its divisors is an integer number (997606932).

Almost surely, 2^10451120020 is an apocalyptic number.

10451120020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10451120020 is an abundant number, since it is smaller than the sum of its proper divisors (13491446348).

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

10451120020 is a wasteful number, since it uses less digits than its factorization.

10451120020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47505111 (or 47505109 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 16.

Adding to 10451120020 its reverse (2002115401), we get a palindrome (12453235421).

The spelling of 10451120020 in words is "ten billion, four hundred fifty-one million, one hundred twenty thousand, twenty".