69920202198 has 256 divisors, whose sum is σ = 188697600000. Its totient is φ = 17074108800.

The previous prime is 69920202181. The next prime is 69920202199. The reversal of 69920202198 is 89120202996.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (69920202199) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 64087633 + ... + 64088723.

It is an arithmetic number, because the mean of its divisors is an integer number (737100000).

Almost surely, 2^69920202198 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 69920202198, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94348800000).

69920202198 is an abundant number, since it is smaller than the sum of its proper divisors (118777397802).

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

69920202198 is a wasteful number, since it uses less digits than its factorization.

69920202198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1296 (or 1282 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 48.

The spelling of 69920202198 in words is "sixty-nine billion, nine hundred twenty million, two hundred two thousand, one hundred ninety-eight".