20100033402 has 64 divisors (see below), whose sum is σ = 44331473664. Its totient is φ = 6048967680.

The previous prime is 20100033377. The next prime is 20100033427. The reversal of 20100033402 is 20433000102.

It is an interprime number because it is at equal distance from previous prime (20100033377) and next prime (20100033427).

It is a super-2 number, since 2×20100033402² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 230448 + ... + 305460.

It is an arithmetic number, because the mean of its divisors is an integer number (692679276).

Almost surely, 2^20100033402 is an apocalyptic number.

20100033402 is an abundant number, since it is smaller than the sum of its proper divisors (24231440262).

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

20100033402 is a wasteful number, since it uses less digits than its factorization.

20100033402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75143.

The product of its (nonzero) digits is 144, while the sum is 15.

Adding to 20100033402 its reverse (20433000102), we get a palindrome (40533033504).

The spelling of 20100033402 in words is "twenty billion, one hundred million, thirty-three thousand, four hundred two".