20027980038 has 32 divisors (see below), whose sum is σ = 44763207552. Its totient is φ = 5921057600.

The previous prime is 20027980033. The next prime is 20027980057. The reversal of 20027980038 is 83008972002.

It is a super-2 number, since 2×20027980038² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20027979978 and 20027980005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20027980033) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3697956 + ... + 3703367.

It is an arithmetic number, because the mean of its divisors is an integer number (1398850236).

Almost surely, 2^20027980038 is an apocalyptic number.

20027980038 is an abundant number, since it is smaller than the sum of its proper divisors (24735227514).

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

20027980038 is a wasteful number, since it uses less digits than its factorization.

20027980038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7401380.

The product of its (nonzero) digits is 48384, while the sum is 39.

The spelling of 20027980038 in words is "twenty billion, twenty-seven million, nine hundred eighty thousand, thirty-eight".