20552225194 has 4 divisors (see below), whose sum is σ = 30828337794. Its totient is φ = 10276112596.

The previous prime is 20552225179. The next prime is 20552225203. The reversal of 20552225194 is 49152225502.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 12364328025 + 8187897169 = 111195^2 + 90487^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5138056297 + ... + 5138056300.

Almost surely, 2^20552225194 is an apocalyptic number.

20552225194 is a deficient number, since it is larger than the sum of its proper divisors (10276112600).

20552225194 is a wasteful number, since it uses less digits than its factorization.

20552225194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10276112599.

The product of its (nonzero) digits is 72000, while the sum is 37.

The spelling of 20552225194 in words is "twenty billion, five hundred fifty-two million, two hundred twenty-five thousand, one hundred ninety-four".