20101355 has 8 divisors (see below), whose sum is σ = 24412752. Its totient is φ = 15887008.

The previous prime is 20101351. The next prime is 20101369. The reversal of 20101355 is 55310102.

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

It is a cyclic number.

It is not a de Polignac number, because 20101355 - 2² = 20101351 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20101351) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23804 + ... + 24633.

It is an arithmetic number, because the mean of its divisors is an integer number (3051594).

Almost surely, 2^20101355 is an apocalyptic number.

20101355 is a deficient number, since it is larger than the sum of its proper divisors (4311397).

20101355 is an equidigital number, since it uses as much as digits as its factorization.

20101355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48525.

The product of its (nonzero) digits is 150, while the sum is 17.

The square root of 20101355 is about 4483.4534680311. The cubic root of 20101355 is about 271.8995222519.

Adding to 20101355 its reverse (55310102), we get a palindrome (75411457).

The spelling of 20101355 in words is "twenty million, one hundred one thousand, three hundred fifty-five".