20365055150605 has 64 divisors (see below), whose sum is σ = 27418921998336. Its totient is φ = 14392730016000.

The previous prime is 20365055150599. The next prime is 20365055150611. The reversal of 20365055150605 is 50605155056302.

It is an interprime number because it is at equal distance from previous prime (20365055150599) and next prime (20365055150611).

It is not a de Polignac number, because 20365055150605 - 2²¹ = 20365053053453 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1831878507 + ... + 1831889623.

It is an arithmetic number, because the mean of its divisors is an integer number (428420656224).

Almost surely, 2^{20365055150605} is an apocalyptic number.

It is an amenable number.

20365055150605 is a deficient number, since it is larger than the sum of its proper divisors (7053866847731).

20365055150605 is a wasteful number, since it uses less digits than its factorization.

20365055150605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15058.

The product of its (nonzero) digits is 675000, while the sum is 43.

The spelling of 20365055150605 in words is "twenty trillion, three hundred sixty-five billion, fifty-five million, one hundred fifty thousand, six hundred five".