20403022101 has 32 divisors (see below), whose sum is σ = 34227916800. Its totient is φ = 10501721280.

The previous prime is 20403022067. The next prime is 20403022121. The reversal of 20403022101 is 10122030402.

It is not a de Polignac number, because 20403022101 - 2⁷ = 20403021973 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20403022121) 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, 379981 + ... + 430338.

It is an arithmetic number, because the mean of its divisors is an integer number (1069622400).

Almost surely, 2^20403022101 is an apocalyptic number.

20403022101 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

20403022101 is a deficient number, since it is larger than the sum of its proper divisors (13824894699).

20403022101 is a wasteful number, since it uses less digits than its factorization.

20403022101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 810449.

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 20403022101 its reverse (10122030402), we get a palindrome (30525052503).

The spelling of 20403022101 in words is "twenty billion, four hundred three million, twenty-two thousand, one hundred one".