30402210100020 has 96 divisors (see below), whose sum is σ = 96902538485760. Its totient is φ = 7049787845760.

The previous prime is 30402210099973. The next prime is 30402210100027. The reversal of 30402210100020 is 2000101220403.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30402210100027) 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, 1001375140 + ... + 1001405499.

It is an arithmetic number, because the mean of its divisors is an integer number (1009401442560).

Almost surely, 2^{30402210100020} is an apocalyptic number.

30402210100020 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30402210100020 is an abundant number, since it is smaller than the sum of its proper divisors (66500328385740).

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

30402210100020 is a wasteful number, since it uses less digits than its factorization.

30402210100020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2002780685 (or 2002780683 counting only the distinct ones).

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

Adding to 30402210100020 its reverse (2000101220403), we get a palindrome (32402311320423).

The spelling of 30402210100020 in words is "thirty trillion, four hundred two billion, two hundred ten million, one hundred thousand, twenty".