20653015370073 has 16 divisors (see below), whose sum is σ = 27766225931136. Its totient is φ = 13654621681920.

The previous prime is 20653015370063. The next prime is 20653015370083. The reversal of 20653015370073 is 37007351035602.

It is an interprime number because it is at equal distance from previous prime (20653015370063) and next prime (20653015370083).

It is not a de Polignac number, because 20653015370073 - 2²¹ = 20653013272921 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (20653015370063) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47385358 + ... + 47819223.

It is an arithmetic number, because the mean of its divisors is an integer number (1735389120696).

Almost surely, 2^{20653015370073} is an apocalyptic number.

It is an amenable number.

20653015370073 is a deficient number, since it is larger than the sum of its proper divisors (7113210561063).

20653015370073 is a wasteful number, since it uses less digits than its factorization.

20653015370073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95205184.

The product of its (nonzero) digits is 396900, while the sum is 42.

The spelling of 20653015370073 in words is "twenty trillion, six hundred fifty-three billion, fifteen million, three hundred seventy thousand, seventy-three".