20170225340 has 12 divisors (see below), whose sum is σ = 42357473256. Its totient is φ = 8068090128.

The previous prime is 20170225303. The next prime is 20170225349. The reversal of 20170225340 is 4352207102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20170225349) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 504255614 + ... + 504255653.

It is an arithmetic number, because the mean of its divisors is an integer number (3529789438).

Almost surely, 2^20170225340 is an apocalyptic number.

20170225340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20170225340 is an abundant number, since it is smaller than the sum of its proper divisors (22187247916).

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

20170225340 is a wasteful number, since it uses less digits than its factorization.

20170225340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1008511276 (or 1008511274 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 26.

The spelling of 20170225340 in words is "twenty billion, one hundred seventy million, two hundred twenty-five thousand, three hundred forty".