20089069209440 has 192 divisors, whose sum is σ = 59563309575168. Its totient is φ = 6220060416000.

The previous prime is 20089069209359. The next prime is 20089069209493. The reversal of 20089069209440 is 4490296098002.

It is a happy number.

It is a super-2 number, since 2×20089069209440² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3539039 + ... + 7259678.

It is an arithmetic number, because the mean of its divisors is an integer number (310225570704).

Almost surely, 2^{20089069209440} is an apocalyptic number.

20089069209440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20089069209440 is an abundant number, since it is smaller than the sum of its proper divisors (39474240365728).

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

20089069209440 is a wasteful number, since it uses less digits than its factorization.

20089069209440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10798901 (or 10798893 counting only the distinct ones).

The product of its (nonzero) digits is 2239488, while the sum is 53.

The spelling of 20089069209440 in words is "twenty trillion, eighty-nine billion, sixty-nine million, two hundred nine thousand, four hundred forty".