20450415141655 has 8 divisors (see below), whose sum is σ = 24540749357472. Its totient is φ = 16360164655008.

The previous prime is 20450415141601. The next prime is 20450415141719. The reversal of 20450415141655 is 55614151405402.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20450415141655 - 2¹¹ = 20450415139607 is a prime.

It is a super-2 number, since 2×20450415141655² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20393692 + ... + 21372961.

It is an arithmetic number, because the mean of its divisors is an integer number (3067593669684).

Almost surely, 2^{20450415141655} is an apocalyptic number.

20450415141655 is a deficient number, since it is larger than the sum of its proper divisors (4090334215817).

20450415141655 is an equidigital number, since it uses as much as digits as its factorization.

20450415141655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41864585.

The product of its (nonzero) digits is 480000, while the sum is 43.

The spelling of 20450415141655 in words is "twenty trillion, four hundred fifty billion, four hundred fifteen million, one hundred forty-one thousand, six hundred fifty-five".