20241831864 has 128 divisors (see below), whose sum is σ = 55240704000. Its totient is φ = 6156693504.

The previous prime is 20241831853. The next prime is 20241831899. The reversal of 20241831864 is 46813814202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1751497 + ... + 1763015.

It is an arithmetic number, because the mean of its divisors is an integer number (431568000).

Almost surely, 2^20241831864 is an apocalyptic number.

20241831864 is a gapful number since it is divisible by the number (24) 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 20241831864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27620352000).

20241831864 is an abundant number, since it is smaller than the sum of its proper divisors (34998872136).

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

20241831864 is a wasteful number, since it uses less digits than its factorization.

20241831864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11677 (or 11673 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 39.

The spelling of 20241831864 in words is "twenty billion, two hundred forty-one million, eight hundred thirty-one thousand, eight hundred sixty-four".