20415314402 has 16 divisors (see below), whose sum is σ = 35590864320. Its totient is φ = 8601124848.

The previous prime is 20415314371. The next prime is 20415314473. The reversal of 20415314402 is 20441351402.

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, 12357113 + ... + 12358764.

It is an arithmetic number, because the mean of its divisors is an integer number (2224429020).

Almost surely, 2^20415314402 is an apocalyptic number.

20415314402 is a deficient number, since it is larger than the sum of its proper divisors (15175549918).

20415314402 is a wasteful number, since it uses less digits than its factorization.

20415314402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24715945.

The product of its (nonzero) digits is 3840, while the sum is 26.

Adding to 20415314402 its reverse (20441351402), we get a palindrome (40856665804).

The spelling of 20415314402 in words is "twenty billion, four hundred fifteen million, three hundred fourteen thousand, four hundred two".