20202018654 has 32 divisors (see below), whose sum is σ = 41005267200. Its totient is φ = 6633950400.

The previous prime is 20202018649. The next prime is 20202018701. The reversal of 20202018654 is 45681020202.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 544797 + ... + 580695.

It is an arithmetic number, because the mean of its divisors is an integer number (1281414600).

Almost surely, 2^20202018654 is an apocalyptic number.

20202018654 is an abundant number, since it is smaller than the sum of its proper divisors (20803248546).

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

20202018654 is a wasteful number, since it uses less digits than its factorization.

20202018654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37296.

The product of its (nonzero) digits is 7680, while the sum is 30.

Adding to 20202018654 its reverse (45681020202), we get a palindrome (65883038856).

The spelling of 20202018654 in words is "twenty billion, two hundred two million, eighteen thousand, six hundred fifty-four".