20305532024 has 8 divisors (see below), whose sum is σ = 38072872560. Its totient is φ = 10152766008.

The previous prime is 20305532021. The next prime is 20305532141. The reversal of 20305532024 is 42023550302.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 20305531984 and 20305532002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20305532021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1269095744 + ... + 1269095759.

It is an arithmetic number, because the mean of its divisors is an integer number (4759109070).

Almost surely, 2^20305532024 is an apocalyptic number.

It is an amenable number.

20305532024 is a deficient number, since it is larger than the sum of its proper divisors (17767340536).

20305532024 is a wasteful number, since it uses less digits than its factorization.

20305532024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2538191509 (or 2538191505 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 26.

The spelling of 20305532024 in words is "twenty billion, three hundred five million, five hundred thirty-two thousand, twenty-four".