20315100650454 has 40 divisors (see below), whose sum is σ = 46989288971328. Its totient is φ = 6553258272720.

The previous prime is 20315100650441. The next prime is 20315100650459. The reversal of 20315100650454 is 45405600151302.

20315100650454 is a `hidden beast` number, since 2 + 0 + 3 + 151 + 0 + 0 + 6 + 50 + 454 = 666.

It is a super-2 number, since 2×20315100650454² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20315100650459) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2022605557 + ... + 2022615600.

Almost surely, 2^{20315100650454} is an apocalyptic number.

20315100650454 is an abundant number, since it is smaller than the sum of its proper divisors (26674188320874).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20315100650454 is a wasteful number, since it uses less digits than its factorization.

20315100650454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4045221202 (or 4045221193 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 36.

The spelling of 20315100650454 in words is "twenty trillion, three hundred fifteen billion, one hundred million, six hundred fifty thousand, four hundred fifty-four".