20035424400 has 60 divisors (see below), whose sum is σ = 64180146672. Its totient is φ = 5342779520.

The previous prime is 20035424363. The next prime is 20035424447. The reversal of 20035424400 is 442453002.

It is a tau number, because it is divible by the number of its divisors (60).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8346894 + ... + 8349293.

Almost surely, 2^20035424400 is an apocalyptic number.

20035424400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20035424400 is an abundant number, since it is smaller than the sum of its proper divisors (44144722272).

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

20035424400 is a wasteful number, since it uses less digits than its factorization.

20035424400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16696208 (or 16696197 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 24.

Adding to 20035424400 its reverse (442453002), we get a palindrome (20477877402).

The spelling of 20035424400 in words is "twenty billion, thirty-five million, four hundred twenty-four thousand, four hundred".