20828275939074 has 32 divisors (see below), whose sum is σ = 42364089262080. Its totient is φ = 6824844050000.

The previous prime is 20828275939063. The next prime is 20828275939087. The reversal of 20828275939074 is 47093957282802.

It is a junction number, because it is equal to n+sod(n) for n = 20828275938996 and 20828275939014.

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, 9154639 + ... + 11201069.

It is an arithmetic number, because the mean of its divisors is an integer number (1323877789440).

Almost surely, 2^{20828275939074} is an apocalyptic number.

20828275939074 is an abundant number, since it is smaller than the sum of its proper divisors (21535813323006).

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

20828275939074 is a wasteful number, since it uses less digits than its factorization.

20828275939074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2075246.

The product of its (nonzero) digits is 121927680, while the sum is 66.

The spelling of 20828275939074 in words is "twenty trillion, eight hundred twenty-eight billion, two hundred seventy-five million, nine hundred thirty-nine thousand, seventy-four".