20032311303020 has 48 divisors (see below), whose sum is σ = 44036499419136. Its totient is φ = 7645225560000.

The previous prime is 20032311303013. The next prime is 20032311303049. The reversal of 20032311303020 is 2030311323002.

It is a super-2 number, since 2×20032311303020² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 20032311302983 and 20032311303001.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 227492456 + ... + 227580495.

It is an arithmetic number, because the mean of its divisors is an integer number (917427071232).

Almost surely, 2^{20032311303020} is an apocalyptic number.

20032311303020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20032311303020 is an abundant number, since it is smaller than the sum of its proper divisors (24004188116116).

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

20032311303020 is a wasteful number, since it uses less digits than its factorization.

20032311303020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 455073062 (or 455073060 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 20032311303020 its reverse (2030311323002), we get a palindrome (22062622626022).

The spelling of 20032311303020 in words is "twenty trillion, thirty-two billion, three hundred eleven million, three hundred three thousand, twenty".