20026602144 has 72 divisors (see below), whose sum is σ = 58787793792. Its totient is φ = 6460191360.

The previous prime is 20026602143. The next prime is 20026602173. The reversal of 20026602144 is 44120662002.

20026602144 is a `hidden beast` number, since 20 + 0 + 26 + 602 + 14 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is not an unprimeable number, because it can be changed into a prime (20026602143) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1112634 + ... + 1130489.

It is an arithmetic number, because the mean of its divisors is an integer number (816497136).

Almost surely, 2^20026602144 is an apocalyptic number.

20026602144 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

20026602144 is an abundant number, since it is smaller than the sum of its proper divisors (38761191648).

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

20026602144 is a wasteful number, since it uses less digits than its factorization.

20026602144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2243170 (or 2243159 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

It can be divided in two parts, 20026 and 602144, that added together give a triangular number (622170 = T₁₁₁₅).

The spelling of 20026602144 in words is "twenty billion, twenty-six million, six hundred two thousand, one hundred forty-four".