20690429054 has 8 divisors (see below), whose sum is σ = 32861269728. Its totient is φ = 9736672480.

The previous prime is 20690429047. The next prime is 20690429093. The reversal of 20690429054 is 45092409602.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 304270982 + ... + 304271049.

It is an arithmetic number, because the mean of its divisors is an integer number (4107658716).

Almost surely, 2^20690429054 is an apocalyptic number.

20690429054 is a deficient number, since it is larger than the sum of its proper divisors (12170840674).

20690429054 is a wasteful number, since it uses less digits than its factorization.

20690429054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 608542050.

The product of its (nonzero) digits is 155520, while the sum is 41.

The spelling of 20690429054 in words is "twenty billion, six hundred ninety million, four hundred twenty-nine thousand, fifty-four".