20421100020114 has 32 divisors (see below), whose sum is σ = 47353275411840. Its totient is φ = 6511075368336.

The previous prime is 20421100020017. The next prime is 20421100020149. The reversal of 20421100020114 is 41102000112402.

20421100020114 is a `hidden beast` number, since 20 + 421 + 10 + 0 + 0 + 201 + 14 = 666.

It is a super-2 number, since 2×20421100020114² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8221053517 + ... + 8221056000.

It is an arithmetic number, because the mean of its divisors is an integer number (1479789856620).

Almost surely, 2^{20421100020114} is an apocalyptic number.

20421100020114 is an abundant number, since it is smaller than the sum of its proper divisors (26932175391726).

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

20421100020114 is a wasteful number, since it uses less digits than its factorization.

20421100020114 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16442109551 (or 16442109545 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 20421100020114 its reverse (41102000112402), we get a palindrome (61523100132516).

The spelling of 20421100020114 in words is "twenty trillion, four hundred twenty-one billion, one hundred million, twenty thousand, one hundred fourteen".