20453301132 has 48 divisors (see below), whose sum is σ = 52578457344. Its totient is φ = 6136600000.

The previous prime is 20453301131. The next prime is 20453301173. The reversal of 20453301132 is 23110335402.

It is not an unprimeable number, because it can be changed into a prime (20453301131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 753744 + ... + 780407.

It is an arithmetic number, because the mean of its divisors is an integer number (1095384528).

Almost surely, 2^20453301132 is an apocalyptic number.

20453301132 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

20453301132 is an abundant number, since it is smaller than the sum of its proper divisors (32125156212).

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

20453301132 is a wasteful number, since it uses less digits than its factorization.

20453301132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1534270 (or 1534268 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 24.

Adding to 20453301132 its reverse (23110335402), we get a palindrome (43563636534).

The spelling of 20453301132 in words is "twenty billion, four hundred fifty-three million, three hundred one thousand, one hundred thirty-two".