10145450020 has 24 divisors (see below), whose sum is σ = 21666556800. Its totient is φ = 3989396832.

The previous prime is 10145449957. The next prime is 10145450047. The reversal of 10145450020 is 2005454101.

It is a super-2 number, since 2×10145450020² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10145449973 and 10145450000.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4297740 + ... + 4300099.

It is an arithmetic number, because the mean of its divisors is an integer number (902773200).

Almost surely, 2^10145450020 is an apocalyptic number.

10145450020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10145450020 is an abundant number, since it is smaller than the sum of its proper divisors (11521106780).

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

10145450020 is a wasteful number, since it uses less digits than its factorization.

10145450020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8597907 (or 8597905 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 22.

The spelling of 10145450020 in words is "ten billion, one hundred forty-five million, four hundred fifty thousand, twenty".