20435053532020 has 12 divisors (see below), whose sum is σ = 42913612417284. Its totient is φ = 8174021412800.

The previous prime is 20435053532011. The next prime is 20435053532029. The reversal of 20435053532020 is 2023535053402.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (20435053532011) and next prime (20435053532029).

It can be written as a sum of positive squares in 2 ways, for example, as 6755071298704 + 13679982233316 = 2599052^2 + 3698646^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20435053532029) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 510876338281 + ... + 510876338320.

It is an arithmetic number, because the mean of its divisors is an integer number (3576134368107).

Almost surely, 2^{20435053532020} is an apocalyptic number.

20435053532020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20435053532020 is an abundant number, since it is smaller than the sum of its proper divisors (22478558885264).

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

20435053532020 is a wasteful number, since it uses less digits than its factorization.

20435053532020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1021752676610 (or 1021752676608 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 34.

Adding to 20435053532020 its reverse (2023535053402), we get a palindrome (22458588585422).

The spelling of 20435053532020 in words is "twenty trillion, four hundred thirty-five billion, fifty-three million, five hundred thirty-two thousand, twenty".