20829350652 has 48 divisors (see below), whose sum is σ = 53141088000. Its totient is φ = 6297528960.

The previous prime is 20829350587. The next prime is 20829350653. The reversal of 20829350652 is 25605392802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20829350653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 121777 + ... + 237672.

It is an arithmetic number, because the mean of its divisors is an integer number (1107106000).

Almost surely, 2^20829350652 is an apocalyptic number.

20829350652 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

20829350652 is an abundant number, since it is smaller than the sum of its proper divisors (32311737348).

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

20829350652 is a wasteful number, since it uses less digits than its factorization.

20829350652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 359906 (or 359904 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 42.

The spelling of 20829350652 in words is "twenty billion, eight hundred twenty-nine million, three hundred fifty thousand, six hundred fifty-two".