20690602274 has 8 divisors (see below), whose sum is σ = 31221747648. Its totient is φ = 10283353060.

The previous prime is 20690602201. The next prime is 20690602277. The reversal of 20690602274 is 47220609602.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (20690602277) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30973622 + ... + 30974289.

It is an arithmetic number, because the mean of its divisors is an integer number (3902718456).

Almost surely, 2^20690602274 is an apocalyptic number.

20690602274 is a deficient number, since it is larger than the sum of its proper divisors (10531145374).

20690602274 is a wasteful number, since it uses less digits than its factorization.

20690602274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61948080.

The product of its (nonzero) digits is 72576, while the sum is 38.

The spelling of 20690602274 in words is "twenty billion, six hundred ninety million, six hundred two thousand, two hundred seventy-four".