20378463195770 has 16 divisors (see below), whose sum is σ = 36689452796160. Its totient is φ = 8149558824144.

The previous prime is 20378463195749. The next prime is 20378463195803. The reversal of 20378463195770 is 7759136487302.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 228259910 + ... + 228349169.

It is an arithmetic number, because the mean of its divisors is an integer number (2293090799760).

It is a 1-persistent number, because it is pandigital, but 2⋅20378463195770 = 40756926391540 is not.

Almost surely, 2^{20378463195770} is an apocalyptic number.

20378463195770 is a deficient number, since it is larger than the sum of its proper divisors (16310989600390).

20378463195770 is a wasteful number, since it uses less digits than its factorization.

20378463195770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 456613549.

The product of its (nonzero) digits is 53343360, while the sum is 62.

The spelling of 20378463195770 in words is "twenty trillion, three hundred seventy-eight billion, four hundred sixty-three million, one hundred ninety-five thousand, seven hundred seventy".