20035305504 has 48 divisors (see below), whose sum is σ = 58436310240. Its totient is φ = 6678434880.

The previous prime is 20035305469. The next prime is 20035305517. The reversal of 20035305504 is 40550353002.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×20035305504² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

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, 11593642 + ... + 11595369.

It is an arithmetic number, because the mean of its divisors is an integer number (1217423130).

Almost surely, 2^20035305504 is an apocalyptic number.

20035305504 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

20035305504 is an abundant number, since it is smaller than the sum of its proper divisors (38401004736).

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

20035305504 is a wasteful number, since it uses less digits than its factorization.

20035305504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23189030 (or 23189016 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 27.

Adding to 20035305504 its reverse (40550353002), we get a palindrome (60585658506).

The spelling of 20035305504 in words is "twenty billion, thirty-five million, three hundred five thousand, five hundred four".