20355103260254 has 8 divisors (see below), whose sum is σ = 34894462731888. Its totient is φ = 8723615682960.

The previous prime is 20355103260251. The next prime is 20355103260277. The reversal of 20355103260254 is 45206230155302.

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

It is a super-2 number, since 2×20355103260254² (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 (20355103260251) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 726967973567 + ... + 726967973594.

It is an arithmetic number, because the mean of its divisors is an integer number (4361807841486).

Almost surely, 2^{20355103260254} is an apocalyptic number.

20355103260254 is a deficient number, since it is larger than the sum of its proper divisors (14539359471634).

20355103260254 is a wasteful number, since it uses less digits than its factorization.

20355103260254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1453935947170.

The product of its (nonzero) digits is 216000, while the sum is 38.

The spelling of 20355103260254 in words is "twenty trillion, three hundred fifty-five billion, one hundred three million, two hundred sixty thousand, two hundred fifty-four".