134020220025 has 36 divisors (see below), whose sum is σ = 224657690928. Its totient is φ = 70498097280.

The previous prime is 134020220017. The next prime is 134020220039. The reversal of 134020220025 is 520022020431.

It is not a de Polignac number, because 134020220025 - 2³ = 134020220017 is a prime.

It is a super-2 number, since 2×134020220025² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 134020219983 and 134020220010.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 232014 + ... + 567336.

Almost surely, 2^134020220025 is an apocalyptic number.

134020220025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

134020220025 is a deficient number, since it is larger than the sum of its proper divisors (90637470903).

134020220025 is an equidigital number, since it uses as much as digits as its factorization.

134020220025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 335482 (or 335404 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

Adding to 134020220025 its reverse (520022020431), we get a palindrome (654042240456).

The spelling of 134020220025 in words is "one hundred thirty-four billion, twenty million, two hundred twenty thousand, twenty-five".