20315346461445 has 32 divisors (see below), whose sum is σ = 39333242227968. Its totient is φ = 8740720493568.

The previous prime is 20315346461429. The next prime is 20315346461471. The reversal of 20315346461445 is 54416464351302.

It is not a de Polignac number, because 20315346461445 - 2⁴ = 20315346461429 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20315346461394 and 20315346461403.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5690571454 + ... + 5690575023.

It is an arithmetic number, because the mean of its divisors is an integer number (1229163819624).

Almost surely, 2^{20315346461445} is an apocalyptic number.

It is an amenable number.

20315346461445 is a deficient number, since it is larger than the sum of its proper divisors (19017895766523).

20315346461445 is a wasteful number, since it uses less digits than its factorization.

20315346461445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11381146509.

The product of its (nonzero) digits is 4147200, while the sum is 48.

The spelling of 20315346461445 in words is "twenty trillion, three hundred fifteen billion, three hundred forty-six million, four hundred sixty-one thousand, four hundred forty-five".