20267236948 has 12 divisors (see below), whose sum is σ = 40534473952. Its totient is φ = 8685958680.

The previous prime is 20267236943. The next prime is 20267236963. The reversal of 20267236948 is 84963276202.

20267236948 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20267236943) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 361914918 + ... + 361914973.

Almost surely, 2^20267236948 is an apocalyptic number.

20267236948 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

20267236948 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

20267236948 is a wasteful number, since it uses less digits than its factorization.

20267236948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 723829902 (or 723829900 counting only the distinct ones).

The product of its (nonzero) digits is 1741824, while the sum is 49.

The spelling of 20267236948 in words is "twenty billion, two hundred sixty-seven million, two hundred thirty-six thousand, nine hundred forty-eight".