20102054 has 24 divisors (see below), whose sum is σ = 35938728. Its totient is φ = 8403360.

The previous prime is 20102029. The next prime is 20102087. The reversal of 20102054 is 45020102.

It is a Harshad number since it is a multiple of its sum of digits (14).

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, 1517 + ... + 6519.

It is an arithmetic number, because the mean of its divisors is an integer number (1497447).

Almost surely, 2^20102054 is an apocalyptic number.

20102054 is a deficient number, since it is larger than the sum of its proper divisors (15836674).

20102054 is a wasteful number, since it uses less digits than its factorization.

20102054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5060 (or 5053 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 14.

The square root of 20102054 is about 4483.5314206549. The cubic root of 20102054 is about 271.9026738730.

Adding to 20102054 its reverse (45020102), we get a palindrome (65122156).

The spelling of 20102054 in words is "twenty million, one hundred two thousand, fifty-four".