20277354962 has 18 divisors (see below), whose sum is σ = 32315912613. Its totient is φ = 9540673632.

The previous prime is 20277354949. The next prime is 20277355039. The reversal of 20277354962 is 26945377202.

It can be written as a sum of positive squares in 2 ways, for example, as 18558340441 + 1719014521 = 136229^2 + 41461^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=100691.

It is a super-2 number, since 2×20277354962² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 3420533 + ... + 3426455.

Almost surely, 2^20277354962 is an apocalyptic number.

20277354962 is a deficient number, since it is larger than the sum of its proper divisors (12038557651).

20277354962 is an frugal number, since it uses more digits than its factorization.

20277354962 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11882 (or 5942 counting only the distinct ones).

The product of its (nonzero) digits is 1270080, while the sum is 47.

The spelling of 20277354962 in words is "twenty billion, two hundred seventy-seven million, three hundred fifty-four thousand, nine hundred sixty-two".