10121340020 has 48 divisors (see below), whose sum is σ = 23680435968. Its totient is φ = 3602175360.

The previous prime is 10121340007. The next prime is 10121340023. The reversal of 10121340020 is 2004312101.

10121340020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 10121339977 and 10121340004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10121340023) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 479087 + ... + 499766.

It is an arithmetic number, because the mean of its divisors is an integer number (493342416).

Almost surely, 2^10121340020 is an apocalyptic number.

10121340020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10121340020 is an abundant number, since it is smaller than the sum of its proper divisors (13559095948).

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

10121340020 is a wasteful number, since it uses less digits than its factorization.

10121340020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 978920 (or 978918 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 10121340020 its reverse (2004312101), we get a palindrome (12125652121).

The spelling of 10121340020 in words is "ten billion, one hundred twenty-one million, three hundred forty thousand, twenty".