20300553534 has 16 divisors (see below), whose sum is σ = 42738007680. Its totient is φ = 6410701080.

The previous prime is 20300553527. The next prime is 20300553541. The reversal of 20300553534 is 43535500302.

It is an interprime number because it is at equal distance from previous prime (20300553527) and next prime (20300553541).

It is a super-2 number, since 2×20300553534² (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 7 ways as a sum of consecutive naturals, for example, 89037402 + ... + 89037629.

It is an arithmetic number, because the mean of its divisors is an integer number (2671125480).

Almost surely, 2^20300553534 is an apocalyptic number.

20300553534 is an abundant number, since it is smaller than the sum of its proper divisors (22437454146).

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

20300553534 is a wasteful number, since it uses less digits than its factorization.

20300553534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178075055.

The product of its (nonzero) digits is 27000, while the sum is 30.

The spelling of 20300553534 in words is "twenty billion, three hundred million, five hundred fifty-three thousand, five hundred thirty-four".