20053279008 has 432 divisors, whose sum is σ = 71489972736. Its totient is φ = 5300951040.

The previous prime is 20053278997. The next prime is 20053279009. The reversal of 20053279008 is 80097235002.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (20053279009) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 10060860 + ... + 10062852.

It is an arithmetic number, because the mean of its divisors is an integer number (165486048).

Almost surely, 2^20053279008 is an apocalyptic number.

20053279008 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20053279008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35744986368).

20053279008 is an abundant number, since it is smaller than the sum of its proper divisors (51436693728).

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

20053279008 is a wasteful number, since it uses less digits than its factorization.

20053279008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2077 (or 2059 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The spelling of 20053279008 in words is "twenty billion, fifty-three million, two hundred seventy-nine thousand, eight".