20300535444 has 48 divisors (see below), whose sum is σ = 54279978368. Its totient is φ = 5784594048.

The previous prime is 20300535439. The next prime is 20300535461. The reversal of 20300535444 is 44453500302.

It is a super-2 number, since 2×20300535444² (a number of 21 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 15 ways as a sum of consecutive naturals, for example, 292627 + ... + 355290.

Almost surely, 2^20300535444 is an apocalyptic number.

It is an amenable number.

20300535444 is an abundant number, since it is smaller than the sum of its proper divisors (33979442924).

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

20300535444 is a wasteful number, since it uses less digits than its factorization.

20300535444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 648304 (or 648302 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 30.

The spelling of 20300535444 in words is "twenty billion, three hundred million, five hundred thirty-five thousand, four hundred forty-four".