620902095 has 16 divisors (see below), whose sum is σ = 1083756672. Its totient is φ = 301043360.

The previous prime is 620902091. The next prime is 620902099. The reversal of 620902095 is 590209026.

It is an interprime number because it is at equal distance from previous prime (620902091) and next prime (620902099).

It is not a de Polignac number, because 620902095 - 2² = 620902091 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (620902091) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1881357 + ... + 1881686.

It is an arithmetic number, because the mean of its divisors is an integer number (67734792).

Almost surely, 2^620902095 is an apocalyptic number.

620902095 is a deficient number, since it is larger than the sum of its proper divisors (462854577).

620902095 is a wasteful number, since it uses less digits than its factorization.

620902095 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3763062.

The product of its (nonzero) digits is 9720, while the sum is 33.

The square root of 620902095 is about 24917.9071151652. The cubic root of 620902095 is about 853.1152560440.

Adding to 620902095 its reverse (590209026), we get a palindrome (1211111121).

The spelling of 620902095 in words is "six hundred twenty million, nine hundred two thousand, ninety-five".