20200154454 has 24 divisors (see below), whose sum is σ = 44834490792. Its totient is φ = 6569155680.

The previous prime is 20200154411. The next prime is 20200154483. The reversal of 20200154454 is 45445100202.

20200154454 is a `hidden beast` number, since 2 + 0 + 200 + 1 + 5 + 4 + 454 = 666.

It is a super-3 number, since 3×20200154454³ (a number of 32 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13685004 + ... + 13686479.

It is an arithmetic number, because the mean of its divisors is an integer number (1868103783).

Almost surely, 2^20200154454 is an apocalyptic number.

20200154454 is an abundant number, since it is smaller than the sum of its proper divisors (24634336338).

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

20200154454 is a wasteful number, since it uses less digits than its factorization.

20200154454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27371532 (or 27371529 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 27.

Adding to 20200154454 its reverse (45445100202), we get a palindrome (65645254656).

The spelling of 20200154454 in words is "twenty billion, two hundred million, one hundred fifty-four thousand, four hundred fifty-four".