13451029020 has 384 divisors, whose sum is σ = 49401031680. Its totient is φ = 2995522560.

The previous prime is 13451029013. The next prime is 13451029021. The reversal of 13451029020 is 2092015431.

13451029020 is a `hidden beast` number, since 1 + 345 + 10 + 290 + 20 = 666.

13451029020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13451029021) 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 127 ways as a sum of consecutive naturals, for example, 28802827 + ... + 28803293.

It is an arithmetic number, because the mean of its divisors is an integer number (128648520).

Almost surely, 2^13451029020 is an apocalyptic number.

13451029020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13451029020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24700515840).

13451029020 is an abundant number, since it is smaller than the sum of its proper divisors (35950002660).

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

13451029020 is a wasteful number, since it uses less digits than its factorization.

13451029020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 882 (or 874 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The spelling of 13451029020 in words is "thirteen billion, four hundred fifty-one million, twenty-nine thousand, twenty".