134243023042020 has 72 divisors (see below), whose sum is σ = 392933642584896. Its totient is φ = 34241698622912.

The previous prime is 134243023042003. The next prime is 134243023042069. The reversal of 134243023042020 is 20240320342431.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2114697672 + ... + 2114761151.

It is an arithmetic number, because the mean of its divisors is an integer number (5457411702568).

Almost surely, 2^{134243023042020} is an apocalyptic number.

134243023042020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

134243023042020 is an abundant number, since it is smaller than the sum of its proper divisors (258690619542876).

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

134243023042020 is a wasteful number, since it uses less digits than its factorization.

134243023042020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4229458881 (or 4229458856 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 30.

Adding to 134243023042020 its reverse (20240320342431), we get a palindrome (154483343384451).

The spelling of 134243023042020 in words is "one hundred thirty-four trillion, two hundred forty-three billion, twenty-three million, forty-two thousand, twenty".