20215400041 has 8 divisors (see below), whose sum is σ = 20562428160. Its totient is φ = 19868518512.

The previous prime is 20215400021. The next prime is 20215400053. The reversal of 20215400041 is 14000451202.

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 20215400041 - 2³¹ = 18067916393 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20215399991 and 20215400018.

It is not an unprimeable number, because it can be changed into a prime (20215400021) 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, 262251 + ... + 330463.

It is an arithmetic number, because the mean of its divisors is an integer number (2570303520).

Almost surely, 2^20215400041 is an apocalyptic number.

It is an amenable number.

20215400041 is a deficient number, since it is larger than the sum of its proper divisors (347028119).

20215400041 is an equidigital number, since it uses as much as digits as its factorization.

20215400041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73295.

The product of its (nonzero) digits is 320, while the sum is 19.

Adding to 20215400041 its reverse (14000451202), we get a palindrome (34215851243).

The spelling of 20215400041 in words is "twenty billion, two hundred fifteen million, four hundred thousand, forty-one".