20154313402 has 16 divisors (see below), whose sum is σ = 31216794624. Its totient is φ = 9748926000.

The previous prime is 20154313391. The next prime is 20154313423. The reversal of 20154313402 is 20431345102.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 146127 + ... + 248317.

It is an arithmetic number, because the mean of its divisors is an integer number (1951049664).

Almost surely, 2^20154313402 is an apocalyptic number.

20154313402 is a deficient number, since it is larger than the sum of its proper divisors (11062481222).

20154313402 is a wasteful number, since it uses less digits than its factorization.

20154313402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105405.

The product of its (nonzero) digits is 2880, while the sum is 25.

Adding to 20154313402 its reverse (20431345102), we get a palindrome (40585658504).

The spelling of 20154313402 in words is "twenty billion, one hundred fifty-four million, three hundred thirteen thousand, four hundred two".