20000621035 has 32 divisors (see below), whose sum is σ = 25537904640. Its totient is φ = 14994709632.

The previous prime is 20000621033. The next prime is 20000621041. The reversal of 20000621035 is 53012600002.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 20000621035 - 2¹ = 20000621033 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is not an unprimeable number, because it can be changed into a prime (20000621033) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4425597 + ... + 4430113.

It is an arithmetic number, because the mean of its divisors is an integer number (798059520).

Almost surely, 2^20000621035 is an apocalyptic number.

20000621035 is a deficient number, since it is larger than the sum of its proper divisors (5537283605).

20000621035 is a wasteful number, since it uses less digits than its factorization.

20000621035 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5035.

The product of its (nonzero) digits is 360, while the sum is 19.

The spelling of 20000621035 in words is "twenty billion, six hundred twenty-one thousand, thirty-five".