10020345534 has 48 divisors (see below), whose sum is σ = 21846464640. Its totient is φ = 3319304400.

The previous prime is 10020345521. The next prime is 10020345539. The reversal of 10020345534 is 43554302001.

10020345534 is a `hidden beast` number, since 1 + 0 + 0 + 203 + 455 + 3 + 4 = 666.

10020345534 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×10020345534³ (a number of 31 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10020345498 and 10020345507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10020345539) 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 23 ways as a sum of consecutive naturals, for example, 1981309 + ... + 1986359.

It is an arithmetic number, because the mean of its divisors is an integer number (455134680).

Almost surely, 2^10020345534 is an apocalyptic number.

10020345534 is an abundant number, since it is smaller than the sum of its proper divisors (11826119106).

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

10020345534 is a wasteful number, since it uses less digits than its factorization.

10020345534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5725 (or 5722 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

Adding to 10020345534 its reverse (43554302001), we get a palindrome (53574647535).

The spelling of 10020345534 in words is "ten billion, twenty million, three hundred forty-five thousand, five hundred thirty-four".