20270275208402 has 32 divisors (see below), whose sum is σ = 32564665398960. Its totient is φ = 9429175388160.

The previous prime is 20270275208243. The next prime is 20270275208437. The reversal of 20270275208402 is 20480257207202.

It can be written as a sum of positive squares in 8 ways, for example, as 9353205006601 + 10917070201801 = 3058301^2 + 3304099^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 20270275208402.

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, 10084652 + ... + 11926472.

Almost surely, 2^{20270275208402} is an apocalyptic number.

20270275208402 is a deficient number, since it is larger than the sum of its proper divisors (12294390190558).

20270275208402 is a wasteful number, since it uses less digits than its factorization.

20270275208402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1845566.

The product of its (nonzero) digits is 250880, while the sum is 41.

The spelling of 20270275208402 in words is "twenty trillion, two hundred seventy billion, two hundred seventy-five million, two hundred eight thousand, four hundred two".