20246426552 has 32 divisors (see below), whose sum is σ = 42092060400. Its totient is φ = 9052051200.

The previous prime is 20246426549. The next prime is 20246426561. The reversal of 20246426552 is 25562464202.

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, 1880477 + ... + 1891212.

Almost surely, 2^20246426552 is an apocalyptic number.

20246426552 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

20246426552 is an abundant number, since it is smaller than the sum of its proper divisors (21845633848).

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

20246426552 is a wasteful number, since it uses less digits than its factorization.

20246426552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3771767 (or 3771763 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 38.

The spelling of 20246426552 in words is "twenty billion, two hundred forty-six million, four hundred twenty-six thousand, five hundred fifty-two".