101451452020 has 24 divisors (see below), whose sum is σ = 217067826024. Its totient is φ = 39814909056.

The previous prime is 101451451991. The next prime is 101451452021. The reversal of 101451452020 is 20254154101.

It can be written as a sum of positive squares in 4 ways, for example, as 262569616 + 101188882404 = 16204^2 + 318102^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101451452021) by changing a digit.

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, 47853399 + ... + 47855518.

It is an arithmetic number, because the mean of its divisors is an integer number (9044492751).

Almost surely, 2^101451452020 is an apocalyptic number.

101451452020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101451452020 is an abundant number, since it is smaller than the sum of its proper divisors (115616374004).

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

101451452020 is a wasteful number, since it uses less digits than its factorization.

101451452020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95708979 (or 95708977 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 25.

The spelling of 101451452020 in words is "one hundred one billion, four hundred fifty-one million, four hundred fifty-two thousand, twenty".