20616087378 has 32 divisors (see below), whose sum is σ = 41389330752. Its totient is φ = 6845888000.

The previous prime is 20616087367. The next prime is 20616087383. The reversal of 20616087378 is 87378061602.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1741078 + ... + 1752878.

It is an arithmetic number, because the mean of its divisors is an integer number (1293416586).

Almost surely, 2^20616087378 is an apocalyptic number.

20616087378 is an abundant number, since it is smaller than the sum of its proper divisors (20773243374).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20616087378 is a wasteful number, since it uses less digits than its factorization.

20616087378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12890.

The product of its (nonzero) digits is 677376, while the sum is 48.

The spelling of 20616087378 in words is "twenty billion, six hundred sixteen million, eighty-seven thousand, three hundred seventy-eight".