20301342985 has 16 divisors (see below), whose sum is σ = 30372918912. Its totient is φ = 12655382400.

The previous prime is 20301342967. The next prime is 20301342991. The reversal of 20301342985 is 58924310302.

It is not a de Polignac number, because 20301342985 - 2¹⁹ = 20300818697 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26364996 + ... + 26365765.

It is an arithmetic number, because the mean of its divisors is an integer number (1898307432).

Almost surely, 2^20301342985 is an apocalyptic number.

It is an amenable number.

20301342985 is a deficient number, since it is larger than the sum of its proper divisors (10071575927).

20301342985 is a wasteful number, since it uses less digits than its factorization.

20301342985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52730784.

The product of its (nonzero) digits is 51840, while the sum is 37.

The spelling of 20301342985 in words is "twenty billion, three hundred one million, three hundred forty-two thousand, nine hundred eighty-five".