20361402254 has 16 divisors (see below), whose sum is σ = 30820953600. Its totient is φ = 10087951104.

The previous prime is 20361402221. The next prime is 20361402277. The reversal of 20361402254 is 45220416302.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 155942 + ... + 255030.

It is an arithmetic number, because the mean of its divisors is an integer number (1926309600).

Almost surely, 2^20361402254 is an apocalyptic number.

20361402254 is a deficient number, since it is larger than the sum of its proper divisors (10459551346).

20361402254 is a wasteful number, since it uses less digits than its factorization.

20361402254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100027.

The product of its (nonzero) digits is 11520, while the sum is 29.

Adding to 20361402254 its reverse (45220416302), we get a palindrome (65581818556).

The spelling of 20361402254 in words is "twenty billion, three hundred sixty-one million, four hundred two thousand, two hundred fifty-four".