20520101202254 has 8 divisors (see below), whose sum is σ = 30780494489448. Its totient is φ = 10259936372440.

The previous prime is 20520101202247. The next prime is 20520101202277. The reversal of 20520101202254 is 45220210102502.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56889617 + ... + 57249180.

It is an arithmetic number, because the mean of its divisors is an integer number (3847561811181).

Almost surely, 2^{20520101202254} is an apocalyptic number.

20520101202254 is a deficient number, since it is larger than the sum of its proper divisors (10260393287194).

20520101202254 is a wasteful number, since it uses less digits than its factorization.

20520101202254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114228690.

The product of its (nonzero) digits is 3200, while the sum is 26.

Adding to 20520101202254 its reverse (45220210102502), we get a palindrome (65740311304756).

The spelling of 20520101202254 in words is "twenty trillion, five hundred twenty billion, one hundred one million, two hundred two thousand, two hundred fifty-four".