20069605248 has 128 divisors (see below), whose sum is σ = 66464375040. Its totient is φ = 5212876800.

The previous prime is 20069605223. The next prime is 20069605261. The reversal of 20069605248 is 84250696002.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

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, 309813 + ... + 368948.

It is an arithmetic number, because the mean of its divisors is an integer number (519252930).

Almost surely, 2^20069605248 is an apocalyptic number.

20069605248 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

20069605248 is an abundant number, since it is smaller than the sum of its proper divisors (46394769792).

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

20069605248 is a wasteful number, since it uses less digits than its factorization.

20069605248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 678796 (or 678784 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 42.

The spelling of 20069605248 in words is "twenty billion, sixty-nine million, six hundred five thousand, two hundred forty-eight".