101838192020 has 12 divisors (see below), whose sum is σ = 213860203284. Its totient is φ = 40735276800.

The previous prime is 101838192019. The next prime is 101838192023. The reversal of 101838192020 is 20291838101.

It can be written as a sum of positive squares in 2 ways, for example, as 41126217616 + 60711974404 = 202796^2 + 246398^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101838192023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2545954781 + ... + 2545954820.

It is an arithmetic number, because the mean of its divisors is an integer number (17821683607).

Almost surely, 2^101838192020 is an apocalyptic number.

101838192020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101838192020 is an abundant number, since it is smaller than the sum of its proper divisors (112022011264).

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

101838192020 is a wasteful number, since it uses less digits than its factorization.

101838192020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5091909610 (or 5091909608 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 35.

The spelling of 101838192020 in words is "one hundred one billion, eight hundred thirty-eight million, one hundred ninety-two thousand, twenty".