20135153270020 has 24 divisors (see below), whose sum is σ = 42537018412224. Its totient is φ = 8005833394656.

The previous prime is 20135153270017. The next prime is 20135153270041. The reversal of 20135153270020 is 2007235153102.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3014241162 + ... + 3014247841.

It is an arithmetic number, because the mean of its divisors is an integer number (1772375767176).

Almost surely, 2^{20135153270020} is an apocalyptic number.

20135153270020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20135153270020 is an abundant number, since it is smaller than the sum of its proper divisors (22401865142204).

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

20135153270020 is a wasteful number, since it uses less digits than its factorization.

20135153270020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6028489179 (or 6028489177 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 31.

The spelling of 20135153270020 in words is "twenty trillion, one hundred thirty-five billion, one hundred fifty-three million, two hundred seventy thousand, twenty".