201420120100 has 36 divisors (see below), whose sum is σ = 443237755968. Its totient is φ = 79433284000.

The previous prime is 201420120091. The next prime is 201420120127. The reversal of 201420120100 is 1021024102.

It is a happy number.

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, 14177416 + ... + 14191615.

It is an arithmetic number, because the mean of its divisors is an integer number (12312159888).

Almost surely, 2^201420120100 is an apocalyptic number.

201420120100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201420120100 is an abundant number, since it is smaller than the sum of its proper divisors (241817635868).

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

201420120100 is a wasteful number, since it uses less digits than its factorization.

201420120100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28369116 (or 28369109 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 201420120100 its reverse (1021024102), we get a palindrome (202441144202).

The spelling of 201420120100 in words is "two hundred one billion, four hundred twenty million, one hundred twenty thousand, one hundred".