20066353464 has 32 divisors (see below), whose sum is σ = 50337115920. Its totient is φ = 6665953536.

The previous prime is 20066353459. The next prime is 20066353481. The reversal of 20066353464 is 46435366002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1419757 + ... + 1433820.

Almost surely, 2^20066353464 is an apocalyptic number.

20066353464 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

20066353464 is an abundant number, since it is smaller than the sum of its proper divisors (30270762456).

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

20066353464 is a wasteful number, since it uses less digits than its factorization.

20066353464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2853879 (or 2853875 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 39.

The spelling of 20066353464 in words is "twenty billion, sixty-six million, three hundred fifty-three thousand, four hundred sixty-four".