20035451003020 has 48 divisors (see below), whose sum is σ = 42589627411968. Its totient is φ = 7916088277440.

The previous prime is 20035451003003. The next prime is 20035451003021. The reversal of 20035451003020 is 2030015453002.

It is not an unprimeable number, because it can be changed into a prime (20035451003021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7409275 + ... + 9745165.

It is an arithmetic number, because the mean of its divisors is an integer number (887283904416).

Almost surely, 2^{20035451003020} is an apocalyptic number.

20035451003020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20035451003020 is an abundant number, since it is smaller than the sum of its proper divisors (22554176408948).

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

20035451003020 is a wasteful number, since it uses less digits than its factorization.

20035451003020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2341150 (or 2341148 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 25.

Adding to 20035451003020 its reverse (2030015453002), we get a palindrome (22065466456022).

The spelling of 20035451003020 in words is "twenty trillion, thirty-five billion, four hundred fifty-one million, three thousand, twenty".